Home / 4,329.78-6,493.17-1,407.54

Finding the Fourth Proportional to 4,329.78, 6,493.17 and 1,407.54

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Solution

The fourth proportional to 4,329.78, 6,493.17 and 1,407.54 is: 2,110.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,329.78 : 6,493.17 = 1,407.54 : x
  2. Step 2: Convert to fraction form
    4,329.78/6,493.17 = 1,407.54/x
  3. Step 3: Cross multiply
    4,329.78x = 6,493.17 × 1,407.54
  4. Step 4: Simplify right side
    4,329.78x = 9,139,396.50
  5. Step 5: Solve for x
    x = 9,139,396.50/4,329.78
  6. Step 6: Final answer
    x = 2,110.82

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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.