Home / 8,178.75-11,287.71-4,595.13

Finding the Fourth Proportional to 8,178.75, 11,287.71 and 4,595.13

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Solution

The fourth proportional to 8,178.75, 11,287.71 and 4,595.13 is: 6,341.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,178.75 : 11,287.71 = 4,595.13 : x
  2. Step 2: Convert to fraction form
    8,178.75/11,287.71 = 4,595.13/x
  3. Step 3: Cross multiply
    8,178.75x = 11,287.71 × 4,595.13
  4. Step 4: Simplify right side
    8,178.75x = 51,868,494.85
  5. Step 5: Solve for x
    x = 51,868,494.85/8,178.75
  6. Step 6: Final answer
    x = 6,341.86

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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.