Home / 7,488.45-11,239.63-3,793.30

Finding the Fourth Proportional to 7,488.45, 11,239.63 and 3,793.30

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Solution

The fourth proportional to 7,488.45, 11,239.63 and 3,793.30 is: 5,693.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488.45 : 11,239.63 = 3,793.30 : x
  2. Step 2: Convert to fraction form
    7,488.45/11,239.63 = 3,793.30/x
  3. Step 3: Cross multiply
    7,488.45x = 11,239.63 × 3,793.30
  4. Step 4: Simplify right side
    7,488.45x = 42,635,250.90
  5. Step 5: Solve for x
    x = 42,635,250.90/7,488.45
  6. Step 6: Final answer
    x = 5,693.47

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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.