Home / 9,780.38-14,673.60-2,854.88

Finding the Fourth Proportional to 9,780.38, 14,673.60 and 2,854.88

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Solution

The fourth proportional to 9,780.38, 14,673.60 and 2,854.88 is: 4,283.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,780.38 : 14,673.60 = 2,854.88 : x
  2. Step 2: Convert to fraction form
    9,780.38/14,673.60 = 2,854.88/x
  3. Step 3: Cross multiply
    9,780.38x = 14,673.60 × 2,854.88
  4. Step 4: Simplify right side
    9,780.38x = 41,891,293.80
  5. Step 5: Solve for x
    x = 41,891,293.80/9,780.38
  6. Step 6: Final answer
    x = 4,283.20

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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.