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Finding the Fourth Proportional to 6,691.24, 10,038.48 and 2,011.24

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Solution

The fourth proportional to 6,691.24, 10,038.48 and 2,011.24 is: 3,017.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,691.24 : 10,038.48 = 2,011.24 : x
  2. Step 2: Convert to fraction form
    6,691.24/10,038.48 = 2,011.24/x
  3. Step 3: Cross multiply
    6,691.24x = 10,038.48 × 2,011.24
  4. Step 4: Simplify right side
    6,691.24x = 20,189,792.52
  5. Step 5: Solve for x
    x = 20,189,792.52/6,691.24
  6. Step 6: Final answer
    x = 3,017.35

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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.