Home / 4,949.76-6,830.80-2,854.02

Finding the Fourth Proportional to 4,949.76, 6,830.80 and 2,854.02

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Solution

The fourth proportional to 4,949.76, 6,830.80 and 2,854.02 is: 3,938.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,949.76 : 6,830.80 = 2,854.02 : x
  2. Step 2: Convert to fraction form
    4,949.76/6,830.80 = 2,854.02/x
  3. Step 3: Cross multiply
    4,949.76x = 6,830.80 × 2,854.02
  4. Step 4: Simplify right side
    4,949.76x = 19,495,239.82
  5. Step 5: Solve for x
    x = 19,495,239.82/4,949.76
  6. Step 6: Final answer
    x = 3,938.62

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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.