Home / 5,026.59-6,938.30-2,931.12

Finding the Fourth Proportional to 5,026.59, 6,938.30 and 2,931.12

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Solution

The fourth proportional to 5,026.59, 6,938.30 and 2,931.12 is: 4,045.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,026.59 : 6,938.30 = 2,931.12 : x
  2. Step 2: Convert to fraction form
    5,026.59/6,938.30 = 2,931.12/x
  3. Step 3: Cross multiply
    5,026.59x = 6,938.30 × 2,931.12
  4. Step 4: Simplify right side
    5,026.59x = 20,336,989.90
  5. Step 5: Solve for x
    x = 20,336,989.90/5,026.59
  6. Step 6: Final answer
    x = 4,045.88

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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.