Home / 4,686.76-7,029.33-1,764.55

Finding the Fourth Proportional to 4,686.76, 7,029.33 and 1,764.55

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Solution

The fourth proportional to 4,686.76, 7,029.33 and 1,764.55 is: 2,646.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,686.76 : 7,029.33 = 1,764.55 : x
  2. Step 2: Convert to fraction form
    4,686.76/7,029.33 = 1,764.55/x
  3. Step 3: Cross multiply
    4,686.76x = 7,029.33 × 1,764.55
  4. Step 4: Simplify right side
    4,686.76x = 12,403,604.25
  5. Step 5: Solve for x
    x = 12,403,604.25/4,686.76
  6. Step 6: Final answer
    x = 2,646.52

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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.