Home / 5,461.18-8,191.95-1,512.43

Finding the Fourth Proportional to 5,461.18, 8,191.95 and 1,512.43

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Solution

The fourth proportional to 5,461.18, 8,191.95 and 1,512.43 is: 2,268.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,461.18 : 8,191.95 = 1,512.43 : x
  2. Step 2: Convert to fraction form
    5,461.18/8,191.95 = 1,512.43/x
  3. Step 3: Cross multiply
    5,461.18x = 8,191.95 × 1,512.43
  4. Step 4: Simplify right side
    5,461.18x = 12,389,750.94
  5. Step 5: Solve for x
    x = 12,389,750.94/5,461.18
  6. Step 6: Final answer
    x = 2,268.69

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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.