Home / 5,687.30-8,516.55-4,535.30

Finding the Fourth Proportional to 5,687.30, 8,516.55 and 4,535.30

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Solution

The fourth proportional to 5,687.30, 8,516.55 and 4,535.30 is: 6,791.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,687.30 : 8,516.55 = 4,535.30 : x
  2. Step 2: Convert to fraction form
    5,687.30/8,516.55 = 4,535.30/x
  3. Step 3: Cross multiply
    5,687.30x = 8,516.55 × 4,535.30
  4. Step 4: Simplify right side
    5,687.30x = 38,625,109.22
  5. Step 5: Solve for x
    x = 38,625,109.22/5,687.30
  6. Step 6: Final answer
    x = 6,791.47

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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.