Home / 8,290.22-12,412.55-7,497.44

Finding the Fourth Proportional to 8,290.22, 12,412.55 and 7,497.44

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Solution

The fourth proportional to 8,290.22, 12,412.55 and 7,497.44 is: 11,225.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,290.22 : 12,412.55 = 7,497.44 : x
  2. Step 2: Convert to fraction form
    8,290.22/12,412.55 = 7,497.44/x
  3. Step 3: Cross multiply
    8,290.22x = 12,412.55 × 7,497.44
  4. Step 4: Simplify right side
    8,290.22x = 93,062,305.55
  5. Step 5: Solve for x
    x = 93,062,305.55/8,290.22
  6. Step 6: Final answer
    x = 11,225.55

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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.