Home / 8,955.22-13,432.81-2,381.41

Finding the Fourth Proportional to 8,955.22, 13,432.81 and 2,381.41

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Solution

The fourth proportional to 8,955.22, 13,432.81 and 2,381.41 is: 3,572.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,955.22 : 13,432.81 = 2,381.41 : x
  2. Step 2: Convert to fraction form
    8,955.22/13,432.81 = 2,381.41/x
  3. Step 3: Cross multiply
    8,955.22x = 13,432.81 × 2,381.41
  4. Step 4: Simplify right side
    8,955.22x = 31,989,028.06
  5. Step 5: Solve for x
    x = 31,989,028.06/8,955.22
  6. Step 6: Final answer
    x = 3,572.11

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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.