Home / 5,502.10-8,253.15-5,429.20

Finding the Fourth Proportional to 5,502.10, 8,253.15 and 5,429.20

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Solution

The fourth proportional to 5,502.10, 8,253.15 and 5,429.20 is: 8,143.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,502.10 : 8,253.15 = 5,429.20 : x
  2. Step 2: Convert to fraction form
    5,502.10/8,253.15 = 5,429.20/x
  3. Step 3: Cross multiply
    5,502.10x = 8,253.15 × 5,429.20
  4. Step 4: Simplify right side
    5,502.10x = 44,808,001.98
  5. Step 5: Solve for x
    x = 44,808,001.98/5,502.10
  6. Step 6: Final answer
    x = 8,143.80

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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.