Home / 5,118.56-7,673.36-4,248.30

Finding the Fourth Proportional to 5,118.56, 7,673.36 and 4,248.30

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Solution

The fourth proportional to 5,118.56, 7,673.36 and 4,248.30 is: 6,368.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,118.56 : 7,673.36 = 4,248.30 : x
  2. Step 2: Convert to fraction form
    5,118.56/7,673.36 = 4,248.30/x
  3. Step 3: Cross multiply
    5,118.56x = 7,673.36 × 4,248.30
  4. Step 4: Simplify right side
    5,118.56x = 32,598,735.29
  5. Step 5: Solve for x
    x = 32,598,735.29/5,118.56
  6. Step 6: Final answer
    x = 6,368.73

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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.