Home / 4,251.36-6,374.56-2,521.20

Finding the Fourth Proportional to 4,251.36, 6,374.56 and 2,521.20

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Solution

The fourth proportional to 4,251.36, 6,374.56 and 2,521.20 is: 3,780.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,251.36 : 6,374.56 = 2,521.20 : x
  2. Step 2: Convert to fraction form
    4,251.36/6,374.56 = 2,521.20/x
  3. Step 3: Cross multiply
    4,251.36x = 6,374.56 × 2,521.20
  4. Step 4: Simplify right side
    4,251.36x = 16,071,540.67
  5. Step 5: Solve for x
    x = 16,071,540.67/4,251.36
  6. Step 6: Final answer
    x = 3,780.33

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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.