Home / 5,346.60-7,377.38-2,988.52

Finding the Fourth Proportional to 5,346.60, 7,377.38 and 2,988.52

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Solution

The fourth proportional to 5,346.60, 7,377.38 and 2,988.52 is: 4,123.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,346.60 : 7,377.38 = 2,988.52 : x
  2. Step 2: Convert to fraction form
    5,346.60/7,377.38 = 2,988.52/x
  3. Step 3: Cross multiply
    5,346.60x = 7,377.38 × 2,988.52
  4. Step 4: Simplify right side
    5,346.60x = 22,047,447.68
  5. Step 5: Solve for x
    x = 22,047,447.68/5,346.60
  6. Step 6: Final answer
    x = 4,123.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.