Home / 8,960.28-13,440.17-2,386.53

Finding the Fourth Proportional to 8,960.28, 13,440.17 and 2,386.53

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Solution

The fourth proportional to 8,960.28, 13,440.17 and 2,386.53 is: 3,579.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,960.28 : 13,440.17 = 2,386.53 : x
  2. Step 2: Convert to fraction form
    8,960.28/13,440.17 = 2,386.53/x
  3. Step 3: Cross multiply
    8,960.28x = 13,440.17 × 2,386.53
  4. Step 4: Simplify right side
    8,960.28x = 32,075,356.98
  5. Step 5: Solve for x
    x = 32,075,356.98/8,960.28
  6. Step 6: Final answer
    x = 3,579.73

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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.