Home / 6,561.27-9,053.15-3,909.56

Finding the Fourth Proportional to 6,561.27, 9,053.15 and 3,909.56

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Solution

The fourth proportional to 6,561.27, 9,053.15 and 3,909.56 is: 5,394.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,561.27 : 9,053.15 = 3,909.56 : x
  2. Step 2: Convert to fraction form
    6,561.27/9,053.15 = 3,909.56/x
  3. Step 3: Cross multiply
    6,561.27x = 9,053.15 × 3,909.56
  4. Step 4: Simplify right side
    6,561.27x = 35,393,768.30
  5. Step 5: Solve for x
    x = 35,393,768.30/6,561.27
  6. Step 6: Final answer
    x = 5,394.35

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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.