Home / 8,291.36-11,438.48-4,753.76

Finding the Fourth Proportional to 8,291.36, 11,438.48 and 4,753.76

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Solution

The fourth proportional to 8,291.36, 11,438.48 and 4,753.76 is: 6,558.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,291.36 : 11,438.48 = 4,753.76 : x
  2. Step 2: Convert to fraction form
    8,291.36/11,438.48 = 4,753.76/x
  3. Step 3: Cross multiply
    8,291.36x = 11,438.48 × 4,753.76
  4. Step 4: Simplify right side
    8,291.36x = 54,375,788.68
  5. Step 5: Solve for x
    x = 54,375,788.68/8,291.36
  6. Step 6: Final answer
    x = 6,558.13

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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.