Home / 5,281.96-7,288.80-2,923.96

Finding the Fourth Proportional to 5,281.96, 7,288.80 and 2,923.96

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Solution

The fourth proportional to 5,281.96, 7,288.80 and 2,923.96 is: 4,034.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.96 : 7,288.80 = 2,923.96 : x
  2. Step 2: Convert to fraction form
    5,281.96/7,288.80 = 2,923.96/x
  3. Step 3: Cross multiply
    5,281.96x = 7,288.80 × 2,923.96
  4. Step 4: Simplify right side
    5,281.96x = 21,312,159.65
  5. Step 5: Solve for x
    x = 21,312,159.65/5,281.96
  6. Step 6: Final answer
    x = 4,034.90

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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.