Home / 5,281.64-7,288.56-2,923.76

Finding the Fourth Proportional to 5,281.64, 7,288.56 and 2,923.76

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Solution

The fourth proportional to 5,281.64, 7,288.56 and 2,923.76 is: 4,034.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.64 : 7,288.56 = 2,923.76 : x
  2. Step 2: Convert to fraction form
    5,281.64/7,288.56 = 2,923.76/x
  3. Step 3: Cross multiply
    5,281.64x = 7,288.56 × 2,923.76
  4. Step 4: Simplify right side
    5,281.64x = 21,310,000.19
  5. Step 5: Solve for x
    x = 21,310,000.19/5,281.64
  6. Step 6: Final answer
    x = 4,034.73

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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.