Home / 5,042.89-6,958.65-2,804.40

Finding the Fourth Proportional to 5,042.89, 6,958.65 and 2,804.40

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Solution

The fourth proportional to 5,042.89, 6,958.65 and 2,804.40 is: 3,869.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,042.89 : 6,958.65 = 2,804.40 : x
  2. Step 2: Convert to fraction form
    5,042.89/6,958.65 = 2,804.40/x
  3. Step 3: Cross multiply
    5,042.89x = 6,958.65 × 2,804.40
  4. Step 4: Simplify right side
    5,042.89x = 19,514,832.80
  5. Step 5: Solve for x
    x = 19,514,832.80/5,042.89
  6. Step 6: Final answer
    x = 3,869.78

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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.