Home / 8,331.52-11,492.40-5,680.16

Finding the Fourth Proportional to 8,331.52, 11,492.40 and 5,680.16

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Solution

The fourth proportional to 8,331.52, 11,492.40 and 5,680.16 is: 7,835.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,331.52 : 11,492.40 = 5,680.16 : x
  2. Step 2: Convert to fraction form
    8,331.52/11,492.40 = 5,680.16/x
  3. Step 3: Cross multiply
    8,331.52x = 11,492.40 × 5,680.16
  4. Step 4: Simplify right side
    8,331.52x = 65,278,670.78
  5. Step 5: Solve for x
    x = 65,278,670.78/8,331.52
  6. Step 6: Final answer
    x = 7,835.15

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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.