Home / 9,292.40-12,819.36-5,515.73

Finding the Fourth Proportional to 9,292.40, 12,819.36 and 5,515.73

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Solution

The fourth proportional to 9,292.40, 12,819.36 and 5,515.73 is: 7,609.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,292.40 : 12,819.36 = 5,515.73 : x
  2. Step 2: Convert to fraction form
    9,292.40/12,819.36 = 5,515.73/x
  3. Step 3: Cross multiply
    9,292.40x = 12,819.36 × 5,515.73
  4. Step 4: Simplify right side
    9,292.40x = 70,708,064.44
  5. Step 5: Solve for x
    x = 70,708,064.44/9,292.40
  6. Step 6: Final answer
    x = 7,609.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.