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Finding the Fourth Proportional to 8,376.52, 11,550.18 and 5,987.56

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Solution

The fourth proportional to 8,376.52, 11,550.18 and 5,987.56 is: 8,256.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376.52 : 11,550.18 = 5,987.56 : x
  2. Step 2: Convert to fraction form
    8,376.52/11,550.18 = 5,987.56/x
  3. Step 3: Cross multiply
    8,376.52x = 11,550.18 × 5,987.56
  4. Step 4: Simplify right side
    8,376.52x = 69,157,395.76
  5. Step 5: Solve for x
    x = 69,157,395.76/8,376.52
  6. Step 6: Final answer
    x = 8,256.10

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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.