Home / 8,240.28-11,372.40-4,704.36

Finding the Fourth Proportional to 8,240.28, 11,372.40 and 4,704.36

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Solution

The fourth proportional to 8,240.28, 11,372.40 and 4,704.36 is: 6,492.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,240.28 : 11,372.40 = 4,704.36 : x
  2. Step 2: Convert to fraction form
    8,240.28/11,372.40 = 4,704.36/x
  3. Step 3: Cross multiply
    8,240.28x = 11,372.40 × 4,704.36
  4. Step 4: Simplify right side
    8,240.28x = 53,499,863.66
  5. Step 5: Solve for x
    x = 53,499,863.66/8,240.28
  6. Step 6: Final answer
    x = 6,492.48

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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.