Home / 8,678.75-13,006.17-4,510.49

Finding the Fourth Proportional to 8,678.75, 13,006.17 and 4,510.49

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Solution

The fourth proportional to 8,678.75, 13,006.17 and 4,510.49 is: 6,759.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,678.75 : 13,006.17 = 4,510.49 : x
  2. Step 2: Convert to fraction form
    8,678.75/13,006.17 = 4,510.49/x
  3. Step 3: Cross multiply
    8,678.75x = 13,006.17 × 4,510.49
  4. Step 4: Simplify right side
    8,678.75x = 58,664,134.69
  5. Step 5: Solve for x
    x = 58,664,134.69/8,678.75
  6. Step 6: Final answer
    x = 6,759.52

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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.