Home / 8,387.83-12,585.19-4,438.07

Finding the Fourth Proportional to 8,387.83, 12,585.19 and 4,438.07

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Solution

The fourth proportional to 8,387.83, 12,585.19 and 4,438.07 is: 6,658.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,387.83 : 12,585.19 = 4,438.07 : x
  2. Step 2: Convert to fraction form
    8,387.83/12,585.19 = 4,438.07/x
  3. Step 3: Cross multiply
    8,387.83x = 12,585.19 × 4,438.07
  4. Step 4: Simplify right side
    8,387.83x = 55,853,954.18
  5. Step 5: Solve for x
    x = 55,853,954.18/8,387.83
  6. Step 6: Final answer
    x = 6,658.93

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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.