Home / 4,764.47-7,148.12-1,478.03

Finding the Fourth Proportional to 4,764.47, 7,148.12 and 1,478.03

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Solution

The fourth proportional to 4,764.47, 7,148.12 and 1,478.03 is: 2,217.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,764.47 : 7,148.12 = 1,478.03 : x
  2. Step 2: Convert to fraction form
    4,764.47/7,148.12 = 1,478.03/x
  3. Step 3: Cross multiply
    4,764.47x = 7,148.12 × 1,478.03
  4. Step 4: Simplify right side
    4,764.47x = 10,565,092.67
  5. Step 5: Solve for x
    x = 10,565,092.67/4,764.47
  6. Step 6: Final answer
    x = 2,217.48

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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.