Home / 4,947.60-7,421.62-2,754.68

Finding the Fourth Proportional to 4,947.60, 7,421.62 and 2,754.68

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Solution

The fourth proportional to 4,947.60, 7,421.62 and 2,754.68 is: 4,132.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.60 : 7,421.62 = 2,754.68 : x
  2. Step 2: Convert to fraction form
    4,947.60/7,421.62 = 2,754.68/x
  3. Step 3: Cross multiply
    4,947.60x = 7,421.62 × 2,754.68
  4. Step 4: Simplify right side
    4,947.60x = 20,444,188.18
  5. Step 5: Solve for x
    x = 20,444,188.18/4,947.60
  6. Step 6: Final answer
    x = 4,132.14

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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.