Home / 5,254.57-7,864.70-3,867.35

Finding the Fourth Proportional to 5,254.57, 7,864.70 and 3,867.35

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Solution

The fourth proportional to 5,254.57, 7,864.70 and 3,867.35 is: 5,788.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,254.57 : 7,864.70 = 3,867.35 : x
  2. Step 2: Convert to fraction form
    5,254.57/7,864.70 = 3,867.35/x
  3. Step 3: Cross multiply
    5,254.57x = 7,864.70 × 3,867.35
  4. Step 4: Simplify right side
    5,254.57x = 30,415,488.88
  5. Step 5: Solve for x
    x = 30,415,488.88/5,254.57
  6. Step 6: Final answer
    x = 5,788.39

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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.