Home / 8,947.89-13,401.39-4,271.19

Finding the Fourth Proportional to 8,947.89, 13,401.39 and 4,271.19

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Solution

The fourth proportional to 8,947.89, 13,401.39 and 4,271.19 is: 6,397.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,947.89 : 13,401.39 = 4,271.19 : x
  2. Step 2: Convert to fraction form
    8,947.89/13,401.39 = 4,271.19/x
  3. Step 3: Cross multiply
    8,947.89x = 13,401.39 × 4,271.19
  4. Step 4: Simplify right side
    8,947.89x = 57,239,882.95
  5. Step 5: Solve for x
    x = 57,239,882.95/8,947.89
  6. Step 6: Final answer
    x = 6,397.03

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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.