Home / 8,578.08-12,869.01-4,882.05

Finding the Fourth Proportional to 8,578.08, 12,869.01 and 4,882.05

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Solution

The fourth proportional to 8,578.08, 12,869.01 and 4,882.05 is: 7,324.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,578.08 : 12,869.01 = 4,882.05 : x
  2. Step 2: Convert to fraction form
    8,578.08/12,869.01 = 4,882.05/x
  3. Step 3: Cross multiply
    8,578.08x = 12,869.01 × 4,882.05
  4. Step 4: Simplify right side
    8,578.08x = 62,827,150.27
  5. Step 5: Solve for x
    x = 62,827,150.27/8,578.08
  6. Step 6: Final answer
    x = 7,324.15

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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.