Home / 8,245.04-11,371.52-7,248.20

Finding the Fourth Proportional to 8,245.04, 11,371.52 and 7,248.20

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Solution

The fourth proportional to 8,245.04, 11,371.52 and 7,248.20 is: 9,996.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,245.04 : 11,371.52 = 7,248.20 : x
  2. Step 2: Convert to fraction form
    8,245.04/11,371.52 = 7,248.20/x
  3. Step 3: Cross multiply
    8,245.04x = 11,371.52 × 7,248.20
  4. Step 4: Simplify right side
    8,245.04x = 82,423,051.26
  5. Step 5: Solve for x
    x = 82,423,051.26/8,245.04
  6. Step 6: Final answer
    x = 9,996.68

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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.