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Finding the Fourth Proportional to 4,959.74, 6,842.66 and 2,833.74

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Solution

The fourth proportional to 4,959.74, 6,842.66 and 2,833.74 is: 3,909.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,959.74 : 6,842.66 = 2,833.74 : x
  2. Step 2: Convert to fraction form
    4,959.74/6,842.66 = 2,833.74/x
  3. Step 3: Cross multiply
    4,959.74x = 6,842.66 × 2,833.74
  4. Step 4: Simplify right side
    4,959.74x = 19,390,305.18
  5. Step 5: Solve for x
    x = 19,390,305.18/4,959.74
  6. Step 6: Final answer
    x = 3,909.54

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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.