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Finding the Fourth Proportional to 8,024.40, 12,039.98 and 4,510.15

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Solution

The fourth proportional to 8,024.40, 12,039.98 and 4,510.15 is: 6,767.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,024.40 : 12,039.98 = 4,510.15 : x
  2. Step 2: Convert to fraction form
    8,024.40/12,039.98 = 4,510.15/x
  3. Step 3: Cross multiply
    8,024.40x = 12,039.98 × 4,510.15
  4. Step 4: Simplify right side
    8,024.40x = 54,302,063.15
  5. Step 5: Solve for x
    x = 54,302,063.15/8,024.40
  6. Step 6: Final answer
    x = 6,767.12

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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.