Home / 5,493.10-8,239.65-5,125.90

Finding the Fourth Proportional to 5,493.10, 8,239.65 and 5,125.90

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Solution

The fourth proportional to 5,493.10, 8,239.65 and 5,125.90 is: 7,688.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,493.10 : 8,239.65 = 5,125.90 : x
  2. Step 2: Convert to fraction form
    5,493.10/8,239.65 = 5,125.90/x
  3. Step 3: Cross multiply
    5,493.10x = 8,239.65 × 5,125.90
  4. Step 4: Simplify right side
    5,493.10x = 42,235,621.94
  5. Step 5: Solve for x
    x = 42,235,621.94/5,493.10
  6. Step 6: Final answer
    x = 7,688.85

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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.