Home / 5,439.59-8,156.07-2,317.85

Finding the Fourth Proportional to 5,439.59, 8,156.07 and 2,317.85

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Solution

The fourth proportional to 5,439.59, 8,156.07 and 2,317.85 is: 3,475.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439.59 : 8,156.07 = 2,317.85 : x
  2. Step 2: Convert to fraction form
    5,439.59/8,156.07 = 2,317.85/x
  3. Step 3: Cross multiply
    5,439.59x = 8,156.07 × 2,317.85
  4. Step 4: Simplify right side
    5,439.59x = 18,904,506.07
  5. Step 5: Solve for x
    x = 18,904,506.07/5,439.59
  6. Step 6: Final answer
    x = 3,475.36

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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.