Home / 5,585.12-8,371.20-4,490.72

Finding the Fourth Proportional to 5,585.12, 8,371.20 and 4,490.72

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Solution

The fourth proportional to 5,585.12, 8,371.20 and 4,490.72 is: 6,730.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,585.12 : 8,371.20 = 4,490.72 : x
  2. Step 2: Convert to fraction form
    5,585.12/8,371.20 = 4,490.72/x
  3. Step 3: Cross multiply
    5,585.12x = 8,371.20 × 4,490.72
  4. Step 4: Simplify right side
    5,585.12x = 37,592,715.26
  5. Step 5: Solve for x
    x = 37,592,715.26/5,585.12
  6. Step 6: Final answer
    x = 6,730.87

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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.