Home / 4,230.98-6,335.52-2,918.78

Finding the Fourth Proportional to 4,230.98, 6,335.52 and 2,918.78

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Solution

The fourth proportional to 4,230.98, 6,335.52 and 2,918.78 is: 4,370.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,230.98 : 6,335.52 = 2,918.78 : x
  2. Step 2: Convert to fraction form
    4,230.98/6,335.52 = 2,918.78/x
  3. Step 3: Cross multiply
    4,230.98x = 6,335.52 × 2,918.78
  4. Step 4: Simplify right side
    4,230.98x = 18,491,989.07
  5. Step 5: Solve for x
    x = 18,491,989.07/4,230.98
  6. Step 6: Final answer
    x = 4,370.62

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1.5x scale

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.