Home / 5,458.31-8,189.06-1,760.46

Finding the Fourth Proportional to 5,458.31, 8,189.06 and 1,760.46

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Solution

The fourth proportional to 5,458.31, 8,189.06 and 1,760.46 is: 2,641.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.31 : 8,189.06 = 1,760.46 : x
  2. Step 2: Convert to fraction form
    5,458.31/8,189.06 = 1,760.46/x
  3. Step 3: Cross multiply
    5,458.31x = 8,189.06 × 1,760.46
  4. Step 4: Simplify right side
    5,458.31x = 14,416,503.77
  5. Step 5: Solve for x
    x = 14,416,503.77/5,458.31
  6. Step 6: Final answer
    x = 2,641.20

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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.