Home / 9,290.20-12,820.44-5,098.44

Finding the Fourth Proportional to 9,290.20, 12,820.44 and 5,098.44

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Solution

The fourth proportional to 9,290.20, 12,820.44 and 5,098.44 is: 7,035.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,290.20 : 12,820.44 = 5,098.44 : x
  2. Step 2: Convert to fraction form
    9,290.20/12,820.44 = 5,098.44/x
  3. Step 3: Cross multiply
    9,290.20x = 12,820.44 × 5,098.44
  4. Step 4: Simplify right side
    9,290.20x = 65,364,244.11
  5. Step 5: Solve for x
    x = 65,364,244.11/9,290.20
  6. Step 6: Final answer
    x = 7,035.83

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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.