Home / 5,335.30-8,004.15-3,142.90

Finding the Fourth Proportional to 5,335.30, 8,004.15 and 3,142.90

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Solution

The fourth proportional to 5,335.30, 8,004.15 and 3,142.90 is: 4,715.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,335.30 : 8,004.15 = 3,142.90 : x
  2. Step 2: Convert to fraction form
    5,335.30/8,004.15 = 3,142.90/x
  3. Step 3: Cross multiply
    5,335.30x = 8,004.15 × 3,142.90
  4. Step 4: Simplify right side
    5,335.30x = 25,156,243.04
  5. Step 5: Solve for x
    x = 25,156,243.04/5,335.30
  6. Step 6: Final answer
    x = 4,715.06

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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.