Home / 9,191.17-13,780.04-2,947.63

Finding the Fourth Proportional to 9,191.17, 13,780.04 and 2,947.63

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Solution

The fourth proportional to 9,191.17, 13,780.04 and 2,947.63 is: 4,419.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,191.17 : 13,780.04 = 2,947.63 : x
  2. Step 2: Convert to fraction form
    9,191.17/13,780.04 = 2,947.63/x
  3. Step 3: Cross multiply
    9,191.17x = 13,780.04 × 2,947.63
  4. Step 4: Simplify right side
    9,191.17x = 40,618,444.57
  5. Step 5: Solve for x
    x = 40,618,444.57/9,191.17
  6. Step 6: Final answer
    x = 4,419.29

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1.5x scale

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.