Home / 9,146.28-13,719.30-2,220.84

Finding the Fourth Proportional to 9,146.28, 13,719.30 and 2,220.84

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Solution

The fourth proportional to 9,146.28, 13,719.30 and 2,220.84 is: 3,331.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.28 : 13,719.30 = 2,220.84 : x
  2. Step 2: Convert to fraction form
    9,146.28/13,719.30 = 2,220.84/x
  3. Step 3: Cross multiply
    9,146.28x = 13,719.30 × 2,220.84
  4. Step 4: Simplify right side
    9,146.28x = 30,468,370.21
  5. Step 5: Solve for x
    x = 30,468,370.21/9,146.28
  6. Step 6: Final answer
    x = 3,331.23

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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.