Home / 5,500.05-8,250.19-1,340.08

Finding the Fourth Proportional to 5,500.05, 8,250.19 and 1,340.08

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Solution

The fourth proportional to 5,500.05, 8,250.19 and 1,340.08 is: 2,010.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,500.05 : 8,250.19 = 1,340.08 : x
  2. Step 2: Convert to fraction form
    5,500.05/8,250.19 = 1,340.08/x
  3. Step 3: Cross multiply
    5,500.05x = 8,250.19 × 1,340.08
  4. Step 4: Simplify right side
    5,500.05x = 11,055,931.10
  5. Step 5: Solve for x
    x = 11,055,931.10/5,500.05
  6. Step 6: Final answer
    x = 2,010.15

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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.