Home / 5,347.28-8,016.60-2,748.80

Finding the Fourth Proportional to 5,347.28, 8,016.60 and 2,748.80

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Solution

The fourth proportional to 5,347.28, 8,016.60 and 2,748.80 is: 4,120.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,347.28 : 8,016.60 = 2,748.80 : x
  2. Step 2: Convert to fraction form
    5,347.28/8,016.60 = 2,748.80/x
  3. Step 3: Cross multiply
    5,347.28x = 8,016.60 × 2,748.80
  4. Step 4: Simplify right side
    5,347.28x = 22,036,030.08
  5. Step 5: Solve for x
    x = 22,036,030.08/5,347.28
  6. Step 6: Final answer
    x = 4,120.98

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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.