Home / 7,886.20-10,882.48-4,349.44

Finding the Fourth Proportional to 7,886.20, 10,882.48 and 4,349.44

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Solution

The fourth proportional to 7,886.20, 10,882.48 and 4,349.44 is: 6,001.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,886.20 : 10,882.48 = 4,349.44 : x
  2. Step 2: Convert to fraction form
    7,886.20/10,882.48 = 4,349.44/x
  3. Step 3: Cross multiply
    7,886.20x = 10,882.48 × 4,349.44
  4. Step 4: Simplify right side
    7,886.20x = 47,332,693.81
  5. Step 5: Solve for x
    x = 47,332,693.81/7,886.20
  6. Step 6: Final answer
    x = 6,001.96

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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.