Home / 4,167.15-6,243.48-2,928.76

Finding the Fourth Proportional to 4,167.15, 6,243.48 and 2,928.76

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Solution

The fourth proportional to 4,167.15, 6,243.48 and 2,928.76 is: 4,388.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,167.15 : 6,243.48 = 2,928.76 : x
  2. Step 2: Convert to fraction form
    4,167.15/6,243.48 = 2,928.76/x
  3. Step 3: Cross multiply
    4,167.15x = 6,243.48 × 2,928.76
  4. Step 4: Simplify right side
    4,167.15x = 18,285,638.88
  5. Step 5: Solve for x
    x = 18,285,638.88/4,167.15
  6. Step 6: Final answer
    x = 4,388.05

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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.