Home / 4,395.28-6,589.50-2,172.57

Finding the Fourth Proportional to 4,395.28, 6,589.50 and 2,172.57

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Solution

The fourth proportional to 4,395.28, 6,589.50 and 2,172.57 is: 3,257.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,395.28 : 6,589.50 = 2,172.57 : x
  2. Step 2: Convert to fraction form
    4,395.28/6,589.50 = 2,172.57/x
  3. Step 3: Cross multiply
    4,395.28x = 6,589.50 × 2,172.57
  4. Step 4: Simplify right side
    4,395.28x = 14,316,178.80
  5. Step 5: Solve for x
    x = 14,316,178.80/4,395.28
  6. Step 6: Final answer
    x = 3,257.17

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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.