Home / 8,585.27-12,877.90-4,687.55

Finding the Fourth Proportional to 8,585.27, 12,877.90 and 4,687.55

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Solution

The fourth proportional to 8,585.27, 12,877.90 and 4,687.55 is: 7,031.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,585.27 : 12,877.90 = 4,687.55 : x
  2. Step 2: Convert to fraction form
    8,585.27/12,877.90 = 4,687.55/x
  3. Step 3: Cross multiply
    8,585.27x = 12,877.90 × 4,687.55
  4. Step 4: Simplify right side
    8,585.27x = 60,365,724.04
  5. Step 5: Solve for x
    x = 60,365,724.04/8,585.27
  6. Step 6: Final answer
    x = 7,031.32

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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.