Home / 8,666.35-13,002.15-3,666.16

Finding the Fourth Proportional to 8,666.35, 13,002.15 and 3,666.16

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Solution

The fourth proportional to 8,666.35, 13,002.15 and 3,666.16 is: 5,500.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,666.35 : 13,002.15 = 3,666.16 : x
  2. Step 2: Convert to fraction form
    8,666.35/13,002.15 = 3,666.16/x
  3. Step 3: Cross multiply
    8,666.35x = 13,002.15 × 3,666.16
  4. Step 4: Simplify right side
    8,666.35x = 47,667,906.46
  5. Step 5: Solve for x
    x = 47,667,906.46/8,666.35
  6. Step 6: Final answer
    x = 5,500.34

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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.