Home / 8,298.20-12,434.33-5,213.72

Finding the Fourth Proportional to 8,298.20, 12,434.33 and 5,213.72

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Solution

The fourth proportional to 8,298.20, 12,434.33 and 5,213.72 is: 7,812.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,298.20 : 12,434.33 = 5,213.72 : x
  2. Step 2: Convert to fraction form
    8,298.20/12,434.33 = 5,213.72/x
  3. Step 3: Cross multiply
    8,298.20x = 12,434.33 × 5,213.72
  4. Step 4: Simplify right side
    8,298.20x = 64,829,159.13
  5. Step 5: Solve for x
    x = 64,829,159.13/8,298.20
  6. Step 6: Final answer
    x = 7,812.43

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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.