Home / 7,488.26-11,233.56-2,807.63

Finding the Fourth Proportional to 7,488.26, 11,233.56 and 2,807.63

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Solution

The fourth proportional to 7,488.26, 11,233.56 and 2,807.63 is: 4,211.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488.26 : 11,233.56 = 2,807.63 : x
  2. Step 2: Convert to fraction form
    7,488.26/11,233.56 = 2,807.63/x
  3. Step 3: Cross multiply
    7,488.26x = 11,233.56 × 2,807.63
  4. Step 4: Simplify right side
    7,488.26x = 31,539,623.90
  5. Step 5: Solve for x
    x = 31,539,623.90/7,488.26
  6. Step 6: Final answer
    x = 4,211.88

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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.