Home / 5,246.60-7,874.72-2,651.36

Finding the Fourth Proportional to 5,246.60, 7,874.72 and 2,651.36

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Solution

The fourth proportional to 5,246.60, 7,874.72 and 2,651.36 is: 3,979.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,246.60 : 7,874.72 = 2,651.36 : x
  2. Step 2: Convert to fraction form
    5,246.60/7,874.72 = 2,651.36/x
  3. Step 3: Cross multiply
    5,246.60x = 7,874.72 × 2,651.36
  4. Step 4: Simplify right side
    5,246.60x = 20,878,717.62
  5. Step 5: Solve for x
    x = 20,878,717.62/5,246.60
  6. Step 6: Final answer
    x = 3,979.48

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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.