Home / 6,456.24-8,909.64-3,661.92

Finding the Fourth Proportional to 6,456.24, 8,909.64 and 3,661.92

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Solution

The fourth proportional to 6,456.24, 8,909.64 and 3,661.92 is: 5,053.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,456.24 : 8,909.64 = 3,661.92 : x
  2. Step 2: Convert to fraction form
    6,456.24/8,909.64 = 3,661.92/x
  3. Step 3: Cross multiply
    6,456.24x = 8,909.64 × 3,661.92
  4. Step 4: Simplify right side
    6,456.24x = 32,626,388.91
  5. Step 5: Solve for x
    x = 32,626,388.91/6,456.24
  6. Step 6: Final answer
    x = 5,053.47

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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.