Home / 8,509.38-12,757.95-4,295.27

Finding the Fourth Proportional to 8,509.38, 12,757.95 and 4,295.27

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Solution

The fourth proportional to 8,509.38, 12,757.95 and 4,295.27 is: 6,439.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,509.38 : 12,757.95 = 4,295.27 : x
  2. Step 2: Convert to fraction form
    8,509.38/12,757.95 = 4,295.27/x
  3. Step 3: Cross multiply
    8,509.38x = 12,757.95 × 4,295.27
  4. Step 4: Simplify right side
    8,509.38x = 54,798,776.11
  5. Step 5: Solve for x
    x = 54,798,776.11/8,509.38
  6. Step 6: Final answer
    x = 6,439.81

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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.