Home / 5,410.18-8,114.19-1,711.78

Finding the Fourth Proportional to 5,410.18, 8,114.19 and 1,711.78

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Solution

The fourth proportional to 5,410.18, 8,114.19 and 1,711.78 is: 2,567.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,410.18 : 8,114.19 = 1,711.78 : x
  2. Step 2: Convert to fraction form
    5,410.18/8,114.19 = 1,711.78/x
  3. Step 3: Cross multiply
    5,410.18x = 8,114.19 × 1,711.78
  4. Step 4: Simplify right side
    5,410.18x = 13,889,708.16
  5. Step 5: Solve for x
    x = 13,889,708.16/5,410.18
  6. Step 6: Final answer
    x = 2,567.33

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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.