Home / 9,290.44-12,819.95-5,512.95

Finding the Fourth Proportional to 9,290.44, 12,819.95 and 5,512.95

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Solution

The fourth proportional to 9,290.44, 12,819.95 and 5,512.95 is: 7,607.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,290.44 : 12,819.95 = 5,512.95 : x
  2. Step 2: Convert to fraction form
    9,290.44/12,819.95 = 5,512.95/x
  3. Step 3: Cross multiply
    9,290.44x = 12,819.95 × 5,512.95
  4. Step 4: Simplify right side
    9,290.44x = 70,675,651.69
  5. Step 5: Solve for x
    x = 70,675,651.69/9,290.44
  6. Step 6: Final answer
    x = 7,607.36

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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.