Home / 5,635.35-7,776.72-3,117.47

Finding the Fourth Proportional to 5,635.35, 7,776.72 and 3,117.47

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Solution

The fourth proportional to 5,635.35, 7,776.72 and 3,117.47 is: 4,302.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,635.35 : 7,776.72 = 3,117.47 : x
  2. Step 2: Convert to fraction form
    5,635.35/7,776.72 = 3,117.47/x
  3. Step 3: Cross multiply
    5,635.35x = 7,776.72 × 3,117.47
  4. Step 4: Simplify right side
    5,635.35x = 24,243,652.41
  5. Step 5: Solve for x
    x = 24,243,652.41/5,635.35
  6. Step 6: Final answer
    x = 4,302.07

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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.