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Finding the Fourth Proportional to 7,287.90, 10,051.97 and 4,765.97

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Solution

The fourth proportional to 7,287.90, 10,051.97 and 4,765.97 is: 6,573.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,287.90 : 10,051.97 = 4,765.97 : x
  2. Step 2: Convert to fraction form
    7,287.90/10,051.97 = 4,765.97/x
  3. Step 3: Cross multiply
    7,287.90x = 10,051.97 × 4,765.97
  4. Step 4: Simplify right side
    7,287.90x = 47,907,387.46
  5. Step 5: Solve for x
    x = 47,907,387.46/7,287.90
  6. Step 6: Final answer
    x = 6,573.55

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1.5x scale

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.