Home / 9,038.28-13,559.40-2,712.88

Finding the Fourth Proportional to 9,038.28, 13,559.40 and 2,712.88

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Solution

The fourth proportional to 9,038.28, 13,559.40 and 2,712.88 is: 4,069.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,038.28 : 13,559.40 = 2,712.88 : x
  2. Step 2: Convert to fraction form
    9,038.28/13,559.40 = 2,712.88/x
  3. Step 3: Cross multiply
    9,038.28x = 13,559.40 × 2,712.88
  4. Step 4: Simplify right side
    9,038.28x = 36,785,025.07
  5. Step 5: Solve for x
    x = 36,785,025.07/9,038.28
  6. Step 6: Final answer
    x = 4,069.91

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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.