Home / 8,332.90-12,499.09-3,402.59

Finding the Fourth Proportional to 8,332.90, 12,499.09 and 3,402.59

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Solution

The fourth proportional to 8,332.90, 12,499.09 and 3,402.59 is: 5,103.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,332.90 : 12,499.09 = 3,402.59 : x
  2. Step 2: Convert to fraction form
    8,332.90/12,499.09 = 3,402.59/x
  3. Step 3: Cross multiply
    8,332.90x = 12,499.09 × 3,402.59
  4. Step 4: Simplify right side
    8,332.90x = 42,529,207.64
  5. Step 5: Solve for x
    x = 42,529,207.64/8,332.90
  6. Step 6: Final answer
    x = 5,103.77

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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.