Home / 9,106.24-13,659.84-5,214.40

Finding the Fourth Proportional to 9,106.24, 13,659.84 and 5,214.40

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Solution

The fourth proportional to 9,106.24, 13,659.84 and 5,214.40 is: 7,821.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,106.24 : 13,659.84 = 5,214.40 : x
  2. Step 2: Convert to fraction form
    9,106.24/13,659.84 = 5,214.40/x
  3. Step 3: Cross multiply
    9,106.24x = 13,659.84 × 5,214.40
  4. Step 4: Simplify right side
    9,106.24x = 71,227,869.70
  5. Step 5: Solve for x
    x = 71,227,869.70/9,106.24
  6. Step 6: Final answer
    x = 7,821.87

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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.