Home / 5,561.38-8,340.85-1,864.14

Finding the Fourth Proportional to 5,561.38, 8,340.85 and 1,864.14

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Solution

The fourth proportional to 5,561.38, 8,340.85 and 1,864.14 is: 2,795.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,561.38 : 8,340.85 = 1,864.14 : x
  2. Step 2: Convert to fraction form
    5,561.38/8,340.85 = 1,864.14/x
  3. Step 3: Cross multiply
    5,561.38x = 8,340.85 × 1,864.14
  4. Step 4: Simplify right side
    5,561.38x = 15,548,512.12
  5. Step 5: Solve for x
    x = 15,548,512.12/5,561.38
  6. Step 6: Final answer
    x = 2,795.80

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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.