Home / 5,635.68-7,776.57-3,117.45

Finding the Fourth Proportional to 5,635.68, 7,776.57 and 3,117.45

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Solution

The fourth proportional to 5,635.68, 7,776.57 and 3,117.45 is: 4,301.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,635.68 : 7,776.57 = 3,117.45 : x
  2. Step 2: Convert to fraction form
    5,635.68/7,776.57 = 3,117.45/x
  3. Step 3: Cross multiply
    5,635.68x = 7,776.57 × 3,117.45
  4. Step 4: Simplify right side
    5,635.68x = 24,243,068.15
  5. Step 5: Solve for x
    x = 24,243,068.15/5,635.68
  6. Step 6: Final answer
    x = 4,301.71

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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.