Home / 5,543.78-8,313.27-2,080.10

Finding the Fourth Proportional to 5,543.78, 8,313.27 and 2,080.10

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Solution

The fourth proportional to 5,543.78, 8,313.27 and 2,080.10 is: 3,119.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,543.78 : 8,313.27 = 2,080.10 : x
  2. Step 2: Convert to fraction form
    5,543.78/8,313.27 = 2,080.10/x
  3. Step 3: Cross multiply
    5,543.78x = 8,313.27 × 2,080.10
  4. Step 4: Simplify right side
    5,543.78x = 17,292,432.93
  5. Step 5: Solve for x
    x = 17,292,432.93/5,543.78
  6. Step 6: Final answer
    x = 3,119.25

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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.