Home / 8,210.19-11,331.45-4,672.92

Finding the Fourth Proportional to 8,210.19, 11,331.45 and 4,672.92

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Solution

The fourth proportional to 8,210.19, 11,331.45 and 4,672.92 is: 6,449.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,210.19 : 11,331.45 = 4,672.92 : x
  2. Step 2: Convert to fraction form
    8,210.19/11,331.45 = 4,672.92/x
  3. Step 3: Cross multiply
    8,210.19x = 11,331.45 × 4,672.92
  4. Step 4: Simplify right side
    8,210.19x = 52,950,959.33
  5. Step 5: Solve for x
    x = 52,950,959.33/8,210.19
  6. Step 6: Final answer
    x = 6,449.42

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Half scale
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Double scale
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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.