Home / 6,670.28-9,996.48-5,191.29

Finding the Fourth Proportional to 6,670.28, 9,996.48 and 5,191.29

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Solution

The fourth proportional to 6,670.28, 9,996.48 and 5,191.29 is: 7,779.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,670.28 : 9,996.48 = 5,191.29 : x
  2. Step 2: Convert to fraction form
    6,670.28/9,996.48 = 5,191.29/x
  3. Step 3: Cross multiply
    6,670.28x = 9,996.48 × 5,191.29
  4. Step 4: Simplify right side
    6,670.28x = 51,894,626.66
  5. Step 5: Solve for x
    x = 51,894,626.66/6,670.28
  6. Step 6: Final answer
    x = 7,779.97

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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.