Home / 8,372.86-11,552.08-5,188.49

Finding the Fourth Proportional to 8,372.86, 11,552.08 and 5,188.49

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Solution

The fourth proportional to 8,372.86, 11,552.08 and 5,188.49 is: 7,158.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,372.86 : 11,552.08 = 5,188.49 : x
  2. Step 2: Convert to fraction form
    8,372.86/11,552.08 = 5,188.49/x
  3. Step 3: Cross multiply
    8,372.86x = 11,552.08 × 5,188.49
  4. Step 4: Simplify right side
    8,372.86x = 59,937,851.56
  5. Step 5: Solve for x
    x = 59,937,851.56/8,372.86
  6. Step 6: Final answer
    x = 7,158.59

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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.