Home / 9,116.20-13,674.30-5,217.40

Finding the Fourth Proportional to 9,116.20, 13,674.30 and 5,217.40

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Solution

The fourth proportional to 9,116.20, 13,674.30 and 5,217.40 is: 7,826.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,116.20 : 13,674.30 = 5,217.40 : x
  2. Step 2: Convert to fraction form
    9,116.20/13,674.30 = 5,217.40/x
  3. Step 3: Cross multiply
    9,116.20x = 13,674.30 × 5,217.40
  4. Step 4: Simplify right side
    9,116.20x = 71,344,292.82
  5. Step 5: Solve for x
    x = 71,344,292.82/9,116.20
  6. Step 6: Final answer
    x = 7,826.10

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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.