Home / 8,356.32-11,531.36-4,997.15

Finding the Fourth Proportional to 8,356.32, 11,531.36 and 4,997.15

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Solution

The fourth proportional to 8,356.32, 11,531.36 and 4,997.15 is: 6,895.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,356.32 : 11,531.36 = 4,997.15 : x
  2. Step 2: Convert to fraction form
    8,356.32/11,531.36 = 4,997.15/x
  3. Step 3: Cross multiply
    8,356.32x = 11,531.36 × 4,997.15
  4. Step 4: Simplify right side
    8,356.32x = 57,623,933.70
  5. Step 5: Solve for x
    x = 57,623,933.70/8,356.32
  6. Step 6: Final answer
    x = 6,895.85

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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.