Home / 5,635.37-7,776.91-3,117.69

Finding the Fourth Proportional to 5,635.37, 7,776.91 and 3,117.69

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Solution

The fourth proportional to 5,635.37, 7,776.91 and 3,117.69 is: 4,302.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,635.37 : 7,776.91 = 3,117.69 : x
  2. Step 2: Convert to fraction form
    5,635.37/7,776.91 = 3,117.69/x
  3. Step 3: Cross multiply
    5,635.37x = 7,776.91 × 3,117.69
  4. Step 4: Simplify right side
    5,635.37x = 24,245,998.44
  5. Step 5: Solve for x
    x = 24,245,998.44/5,635.37
  6. Step 6: Final answer
    x = 4,302.47

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.