Home / 9,030.76-13,541.17-2,789.05

Finding the Fourth Proportional to 9,030.76, 13,541.17 and 2,789.05

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Solution

The fourth proportional to 9,030.76, 13,541.17 and 2,789.05 is: 4,182.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,030.76 : 13,541.17 = 2,789.05 : x
  2. Step 2: Convert to fraction form
    9,030.76/13,541.17 = 2,789.05/x
  3. Step 3: Cross multiply
    9,030.76x = 13,541.17 × 2,789.05
  4. Step 4: Simplify right side
    9,030.76x = 37,767,000.19
  5. Step 5: Solve for x
    x = 37,767,000.19/9,030.76
  6. Step 6: Final answer
    x = 4,182.04

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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.