Home / 7,387.52-11,071.71-2,999.88

Finding the Fourth Proportional to 7,387.52, 11,071.71 and 2,999.88

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Solution

The fourth proportional to 7,387.52, 11,071.71 and 2,999.88 is: 4,495.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.52 : 11,071.71 = 2,999.88 : x
  2. Step 2: Convert to fraction form
    7,387.52/11,071.71 = 2,999.88/x
  3. Step 3: Cross multiply
    7,387.52x = 11,071.71 × 2,999.88
  4. Step 4: Simplify right side
    7,387.52x = 33,213,801.39
  5. Step 5: Solve for x
    x = 33,213,801.39/7,387.52
  6. Step 6: Final answer
    x = 4,495.94

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1.5x scale

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.