Home / 8,857.28-13,287.18-3,014.84

Finding the Fourth Proportional to 8,857.28, 13,287.18 and 3,014.84

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Solution

The fourth proportional to 8,857.28, 13,287.18 and 3,014.84 is: 4,522.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,857.28 : 13,287.18 = 3,014.84 : x
  2. Step 2: Convert to fraction form
    8,857.28/13,287.18 = 3,014.84/x
  3. Step 3: Cross multiply
    8,857.28x = 13,287.18 × 3,014.84
  4. Step 4: Simplify right side
    8,857.28x = 40,058,721.75
  5. Step 5: Solve for x
    x = 40,058,721.75/8,857.28
  6. Step 6: Final answer
    x = 4,522.69

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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.