Home / 9,312.40-13,959.60-3,463.12

Finding the Fourth Proportional to 9,312.40, 13,959.60 and 3,463.12

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Solution

The fourth proportional to 9,312.40, 13,959.60 and 3,463.12 is: 5,191.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,312.40 : 13,959.60 = 3,463.12 : x
  2. Step 2: Convert to fraction form
    9,312.40/13,959.60 = 3,463.12/x
  3. Step 3: Cross multiply
    9,312.40x = 13,959.60 × 3,463.12
  4. Step 4: Simplify right side
    9,312.40x = 48,343,769.95
  5. Step 5: Solve for x
    x = 48,343,769.95/9,312.40
  6. Step 6: Final answer
    x = 5,191.33

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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.