Home / 6,543.18-9,031.50-3,891.24

Finding the Fourth Proportional to 6,543.18, 9,031.50 and 3,891.24

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Solution

The fourth proportional to 6,543.18, 9,031.50 and 3,891.24 is: 5,371.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,543.18 : 9,031.50 = 3,891.24 : x
  2. Step 2: Convert to fraction form
    6,543.18/9,031.50 = 3,891.24/x
  3. Step 3: Cross multiply
    6,543.18x = 9,031.50 × 3,891.24
  4. Step 4: Simplify right side
    6,543.18x = 35,143,734.06
  5. Step 5: Solve for x
    x = 35,143,734.06/6,543.18
  6. Step 6: Final answer
    x = 5,371.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.