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Finding the Fourth Proportional to 8,752.25, 13,104.02 and 7,491.08

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Solution

The fourth proportional to 8,752.25, 13,104.02 and 7,491.08 is: 11,215.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,752.25 : 13,104.02 = 7,491.08 : x
  2. Step 2: Convert to fraction form
    8,752.25/13,104.02 = 7,491.08/x
  3. Step 3: Cross multiply
    8,752.25x = 13,104.02 × 7,491.08
  4. Step 4: Simplify right side
    8,752.25x = 98,163,159.17
  5. Step 5: Solve for x
    x = 98,163,159.17/8,752.25
  6. Step 6: Final answer
    x = 11,215.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.