Home / 5,281.65-7,287.98-2,923.47

Finding the Fourth Proportional to 5,281.65, 7,287.98 and 2,923.47

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Solution

The fourth proportional to 5,281.65, 7,287.98 and 2,923.47 is: 4,034.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,281.65 : 7,287.98 = 2,923.47 : x
  2. Step 2: Convert to fraction form
    5,281.65/7,287.98 = 2,923.47/x
  3. Step 3: Cross multiply
    5,281.65x = 7,287.98 × 2,923.47
  4. Step 4: Simplify right side
    5,281.65x = 21,306,176.27
  5. Step 5: Solve for x
    x = 21,306,176.27/5,281.65
  6. Step 6: Final answer
    x = 4,034.00

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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.