Home / 8,820.12-13,229.46-2,580.18

Finding the Fourth Proportional to 8,820.12, 13,229.46 and 2,580.18

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Solution

The fourth proportional to 8,820.12, 13,229.46 and 2,580.18 is: 3,870.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,820.12 : 13,229.46 = 2,580.18 : x
  2. Step 2: Convert to fraction form
    8,820.12/13,229.46 = 2,580.18/x
  3. Step 3: Cross multiply
    8,820.12x = 13,229.46 × 2,580.18
  4. Step 4: Simplify right side
    8,820.12x = 34,134,388.10
  5. Step 5: Solve for x
    x = 34,134,388.10/8,820.12
  6. Step 6: Final answer
    x = 3,870.06

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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.