Home / 8,845.89-12,202.25-5,528.13

Finding the Fourth Proportional to 8,845.89, 12,202.25 and 5,528.13

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Solution

The fourth proportional to 8,845.89, 12,202.25 and 5,528.13 is: 7,625.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,845.89 : 12,202.25 = 5,528.13 : x
  2. Step 2: Convert to fraction form
    8,845.89/12,202.25 = 5,528.13/x
  3. Step 3: Cross multiply
    8,845.89x = 12,202.25 × 5,528.13
  4. Step 4: Simplify right side
    8,845.89x = 67,455,624.29
  5. Step 5: Solve for x
    x = 67,455,624.29/8,845.89
  6. Step 6: Final answer
    x = 7,625.65

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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.