Home / 4,788.04-7,179.30-2,188.48

Finding the Fourth Proportional to 4,788.04, 7,179.30 and 2,188.48

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Solution

The fourth proportional to 4,788.04, 7,179.30 and 2,188.48 is: 3,281.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788.04 : 7,179.30 = 2,188.48 : x
  2. Step 2: Convert to fraction form
    4,788.04/7,179.30 = 2,188.48/x
  3. Step 3: Cross multiply
    4,788.04x = 7,179.30 × 2,188.48
  4. Step 4: Simplify right side
    4,788.04x = 15,711,754.46
  5. Step 5: Solve for x
    x = 15,711,754.46/4,788.04
  6. Step 6: Final answer
    x = 3,281.46

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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.