Home / 5,614.60-7,747.98-3,130.60

Finding the Fourth Proportional to 5,614.60, 7,747.98 and 3,130.60

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Solution

The fourth proportional to 5,614.60, 7,747.98 and 3,130.60 is: 4,320.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,614.60 : 7,747.98 = 3,130.60 : x
  2. Step 2: Convert to fraction form
    5,614.60/7,747.98 = 3,130.60/x
  3. Step 3: Cross multiply
    5,614.60x = 7,747.98 × 3,130.60
  4. Step 4: Simplify right side
    5,614.60x = 24,255,826.19
  5. Step 5: Solve for x
    x = 24,255,826.19/5,614.60
  6. Step 6: Final answer
    x = 4,320.13

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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.