Home / 9,309.30-13,964.40-3,761.95

Finding the Fourth Proportional to 9,309.30, 13,964.40 and 3,761.95

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Solution

The fourth proportional to 9,309.30, 13,964.40 and 3,761.95 is: 5,643.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,309.30 : 13,964.40 = 3,761.95 : x
  2. Step 2: Convert to fraction form
    9,309.30/13,964.40 = 3,761.95/x
  3. Step 3: Cross multiply
    9,309.30x = 13,964.40 × 3,761.95
  4. Step 4: Simplify right side
    9,309.30x = 52,533,339.67
  5. Step 5: Solve for x
    x = 52,533,339.67/9,309.30
  6. Step 6: Final answer
    x = 5,643.10

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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.