Home / 8,006.15-12,008.75-2,459.55

Finding the Fourth Proportional to 8,006.15, 12,008.75 and 2,459.55

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Solution

The fourth proportional to 8,006.15, 12,008.75 and 2,459.55 is: 3,689.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,006.15 : 12,008.75 = 2,459.55 : x
  2. Step 2: Convert to fraction form
    8,006.15/12,008.75 = 2,459.55/x
  3. Step 3: Cross multiply
    8,006.15x = 12,008.75 × 2,459.55
  4. Step 4: Simplify right side
    8,006.15x = 29,536,127.21
  5. Step 5: Solve for x
    x = 29,536,127.21/8,006.15
  6. Step 6: Final answer
    x = 3,689.18

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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.