Home / 7,488.52-11,220-4,199.56

Finding the Fourth Proportional to 7,488.52, 11,220 and 4,199.56

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Solution

The fourth proportional to 7,488.52, 11,220 and 4,199.56 is: 6,292.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488.52 : 11,220 = 4,199.56 : x
  2. Step 2: Convert to fraction form
    7,488.52/11,220 = 4,199.56/x
  3. Step 3: Cross multiply
    7,488.52x = 11,220 × 4,199.56
  4. Step 4: Simplify right side
    7,488.52x = 47,119,063.20
  5. Step 5: Solve for x
    x = 47,119,063.20/7,488.52
  6. Step 6: Final answer
    x = 6,292.17

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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.