Home / 5,878.47-8,112.14-3,225.85

Finding the Fourth Proportional to 5,878.47, 8,112.14 and 3,225.85

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Solution

The fourth proportional to 5,878.47, 8,112.14 and 3,225.85 is: 4,451.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,878.47 : 8,112.14 = 3,225.85 : x
  2. Step 2: Convert to fraction form
    5,878.47/8,112.14 = 3,225.85/x
  3. Step 3: Cross multiply
    5,878.47x = 8,112.14 × 3,225.85
  4. Step 4: Simplify right side
    5,878.47x = 26,168,546.82
  5. Step 5: Solve for x
    x = 26,168,546.82/5,878.47
  6. Step 6: Final answer
    x = 4,451.59

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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.