Home / 6,545.13-9,031.66-3,893.19

Finding the Fourth Proportional to 6,545.13, 9,031.66 and 3,893.19

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Solution

The fourth proportional to 6,545.13, 9,031.66 and 3,893.19 is: 5,372.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,545.13 : 9,031.66 = 3,893.19 : x
  2. Step 2: Convert to fraction form
    6,545.13/9,031.66 = 3,893.19/x
  3. Step 3: Cross multiply
    6,545.13x = 9,031.66 × 3,893.19
  4. Step 4: Simplify right side
    6,545.13x = 35,161,968.40
  5. Step 5: Solve for x
    x = 35,161,968.40/6,545.13
  6. Step 6: Final answer
    x = 5,372.23

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1.5x scale

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.