Home / 8,416.62-11,617.02-5,732.28

Finding the Fourth Proportional to 8,416.62, 11,617.02 and 5,732.28

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Solution

The fourth proportional to 8,416.62, 11,617.02 and 5,732.28 is: 7,911.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,416.62 : 11,617.02 = 5,732.28 : x
  2. Step 2: Convert to fraction form
    8,416.62/11,617.02 = 5,732.28/x
  3. Step 3: Cross multiply
    8,416.62x = 11,617.02 × 5,732.28
  4. Step 4: Simplify right side
    8,416.62x = 66,592,011.41
  5. Step 5: Solve for x
    x = 66,592,011.41/8,416.62
  6. Step 6: Final answer
    x = 7,911.97

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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.