Home / 4,948.60-7,423.12-2,755.68

Finding the Fourth Proportional to 4,948.60, 7,423.12 and 2,755.68

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Solution

The fourth proportional to 4,948.60, 7,423.12 and 2,755.68 is: 4,133.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,948.60 : 7,423.12 = 2,755.68 : x
  2. Step 2: Convert to fraction form
    4,948.60/7,423.12 = 2,755.68/x
  3. Step 3: Cross multiply
    4,948.60x = 7,423.12 × 2,755.68
  4. Step 4: Simplify right side
    4,948.60x = 20,455,743.32
  5. Step 5: Solve for x
    x = 20,455,743.32/4,948.60
  6. Step 6: Final answer
    x = 4,133.64

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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.