Home / 4,569.76-6,851.60-1,647.68

Finding the Fourth Proportional to 4,569.76, 6,851.60 and 1,647.68

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Solution

The fourth proportional to 4,569.76, 6,851.60 and 1,647.68 is: 2,470.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,569.76 : 6,851.60 = 1,647.68 : x
  2. Step 2: Convert to fraction form
    4,569.76/6,851.60 = 1,647.68/x
  3. Step 3: Cross multiply
    4,569.76x = 6,851.60 × 1,647.68
  4. Step 4: Simplify right side
    4,569.76x = 11,289,253.18
  5. Step 5: Solve for x
    x = 11,289,253.18/4,569.76
  6. Step 6: Final answer
    x = 2,470.43

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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.