Home / 7,372.08-11,055.02-2,986.47

Finding the Fourth Proportional to 7,372.08, 11,055.02 and 2,986.47

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Solution

The fourth proportional to 7,372.08, 11,055.02 and 2,986.47 is: 4,478.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,372.08 : 11,055.02 = 2,986.47 : x
  2. Step 2: Convert to fraction form
    7,372.08/11,055.02 = 2,986.47/x
  3. Step 3: Cross multiply
    7,372.08x = 11,055.02 × 2,986.47
  4. Step 4: Simplify right side
    7,372.08x = 33,015,470.65
  5. Step 5: Solve for x
    x = 33,015,470.65/7,372.08
  6. Step 6: Final answer
    x = 4,478.45

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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.