Home / 8,585.28-12,862.08-5,660.64

Finding the Fourth Proportional to 8,585.28, 12,862.08 and 5,660.64

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Solution

The fourth proportional to 8,585.28, 12,862.08 and 5,660.64 is: 8,480.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,585.28 : 12,862.08 = 5,660.64 : x
  2. Step 2: Convert to fraction form
    8,585.28/12,862.08 = 5,660.64/x
  3. Step 3: Cross multiply
    8,585.28x = 12,862.08 × 5,660.64
  4. Step 4: Simplify right side
    8,585.28x = 72,807,604.53
  5. Step 5: Solve for x
    x = 72,807,604.53/8,585.28
  6. Step 6: Final answer
    x = 8,480.52

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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.