Home / 5,728.92-8,585.28-2,438.70

Finding the Fourth Proportional to 5,728.92, 8,585.28 and 2,438.70

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Solution

The fourth proportional to 5,728.92, 8,585.28 and 2,438.70 is: 3,654.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,728.92 : 8,585.28 = 2,438.70 : x
  2. Step 2: Convert to fraction form
    5,728.92/8,585.28 = 2,438.70/x
  3. Step 3: Cross multiply
    5,728.92x = 8,585.28 × 2,438.70
  4. Step 4: Simplify right side
    5,728.92x = 20,936,922.34
  5. Step 5: Solve for x
    x = 20,936,922.34/5,728.92
  6. Step 6: Final answer
    x = 3,654.60

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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.