Home / 5,124.33-7,686.45-2,931.50

Finding the Fourth Proportional to 5,124.33, 7,686.45 and 2,931.50

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Solution

The fourth proportional to 5,124.33, 7,686.45 and 2,931.50 is: 4,397.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,124.33 : 7,686.45 = 2,931.50 : x
  2. Step 2: Convert to fraction form
    5,124.33/7,686.45 = 2,931.50/x
  3. Step 3: Cross multiply
    5,124.33x = 7,686.45 × 2,931.50
  4. Step 4: Simplify right side
    5,124.33x = 22,532,789.74
  5. Step 5: Solve for x
    x = 22,532,789.74/5,124.33
  6. Step 6: Final answer
    x = 4,397.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.