Home / 8,832.76-13,231.80-5,127.22

Finding the Fourth Proportional to 8,832.76, 13,231.80 and 5,127.22

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Solution

The fourth proportional to 8,832.76, 13,231.80 and 5,127.22 is: 7,680.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,832.76 : 13,231.80 = 5,127.22 : x
  2. Step 2: Convert to fraction form
    8,832.76/13,231.80 = 5,127.22/x
  3. Step 3: Cross multiply
    8,832.76x = 13,231.80 × 5,127.22
  4. Step 4: Simplify right side
    8,832.76x = 67,842,349.60
  5. Step 5: Solve for x
    x = 67,842,349.60/8,832.76
  6. Step 6: Final answer
    x = 7,680.76

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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.