Home / 8,001.72-11,042.64-4,465.80

Finding the Fourth Proportional to 8,001.72, 11,042.64 and 4,465.80

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Solution

The fourth proportional to 8,001.72, 11,042.64 and 4,465.80 is: 6,162.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,001.72 : 11,042.64 = 4,465.80 : x
  2. Step 2: Convert to fraction form
    8,001.72/11,042.64 = 4,465.80/x
  3. Step 3: Cross multiply
    8,001.72x = 11,042.64 × 4,465.80
  4. Step 4: Simplify right side
    8,001.72x = 49,314,221.71
  5. Step 5: Solve for x
    x = 49,314,221.71/8,001.72
  6. Step 6: Final answer
    x = 6,162.95

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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.