Home / 9,309.28-13,959.53-3,381.98

Finding the Fourth Proportional to 9,309.28, 13,959.53 and 3,381.98

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Solution

The fourth proportional to 9,309.28, 13,959.53 and 3,381.98 is: 5,071.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,309.28 : 13,959.53 = 3,381.98 : x
  2. Step 2: Convert to fraction form
    9,309.28/13,959.53 = 3,381.98/x
  3. Step 3: Cross multiply
    9,309.28x = 13,959.53 × 3,381.98
  4. Step 4: Simplify right side
    9,309.28x = 47,210,851.81
  5. Step 5: Solve for x
    x = 47,210,851.81/9,309.28
  6. Step 6: Final answer
    x = 5,071.38

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.