Home / 8,777.28-13,171.12-3,234.51

Finding the Fourth Proportional to 8,777.28, 13,171.12 and 3,234.51

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Solution

The fourth proportional to 8,777.28, 13,171.12 and 3,234.51 is: 4,853.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,777.28 : 13,171.12 = 3,234.51 : x
  2. Step 2: Convert to fraction form
    8,777.28/13,171.12 = 3,234.51/x
  3. Step 3: Cross multiply
    8,777.28x = 13,171.12 × 3,234.51
  4. Step 4: Simplify right side
    8,777.28x = 42,602,119.35
  5. Step 5: Solve for x
    x = 42,602,119.35/8,777.28
  6. Step 6: Final answer
    x = 4,853.68

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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.