Home / 4,949.50-6,830.31-2,853.76

Finding the Fourth Proportional to 4,949.50, 6,830.31 and 2,853.76

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Solution

The fourth proportional to 4,949.50, 6,830.31 and 2,853.76 is: 3,938.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.50 : 6,830.31 = 2,853.76 : x
  2. Step 2: Convert to fraction form
    4,949.50/6,830.31 = 2,853.76/x
  3. Step 3: Cross multiply
    4,949.50x = 6,830.31 × 2,853.76
  4. Step 4: Simplify right side
    4,949.50x = 19,492,065.47
  5. Step 5: Solve for x
    x = 19,492,065.47/4,949.50
  6. Step 6: Final answer
    x = 3,938.19

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.