Home / 5,118.60-7,667.10-4,254.60

Finding the Fourth Proportional to 5,118.60, 7,667.10 and 4,254.60

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Solution

The fourth proportional to 5,118.60, 7,667.10 and 4,254.60 is: 6,372.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,118.60 : 7,667.10 = 4,254.60 : x
  2. Step 2: Convert to fraction form
    5,118.60/7,667.10 = 4,254.60/x
  3. Step 3: Cross multiply
    5,118.60x = 7,667.10 × 4,254.60
  4. Step 4: Simplify right side
    5,118.60x = 32,620,443.66
  5. Step 5: Solve for x
    x = 32,620,443.66/5,118.60
  6. Step 6: Final answer
    x = 6,372.92

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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.