Home / 8,003.90-12,006.18-2,457.28

Finding the Fourth Proportional to 8,003.90, 12,006.18 and 2,457.28

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Solution

The fourth proportional to 8,003.90, 12,006.18 and 2,457.28 is: 3,686.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,003.90 : 12,006.18 = 2,457.28 : x
  2. Step 2: Convert to fraction form
    8,003.90/12,006.18 = 2,457.28/x
  3. Step 3: Cross multiply
    8,003.90x = 12,006.18 × 2,457.28
  4. Step 4: Simplify right side
    8,003.90x = 29,502,545.99
  5. Step 5: Solve for x
    x = 29,502,545.99/8,003.90
  6. Step 6: Final answer
    x = 3,686.02

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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.