Home / 4,191.55-6,287.31-1,071.55

Finding the Fourth Proportional to 4,191.55, 6,287.31 and 1,071.55

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Solution

The fourth proportional to 4,191.55, 6,287.31 and 1,071.55 is: 1,607.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.55 : 6,287.31 = 1,071.55 : x
  2. Step 2: Convert to fraction form
    4,191.55/6,287.31 = 1,071.55/x
  3. Step 3: Cross multiply
    4,191.55x = 6,287.31 × 1,071.55
  4. Step 4: Simplify right side
    4,191.55x = 6,737,195.59
  5. Step 5: Solve for x
    x = 6,737,195.59/4,191.55
  6. Step 6: Final answer
    x = 1,607.33

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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.