Home / 5,461.27-8,191.73-1,512.77

Finding the Fourth Proportional to 5,461.27, 8,191.73 and 1,512.77

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Solution

The fourth proportional to 5,461.27, 8,191.73 and 1,512.77 is: 2,269.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,461.27 : 8,191.73 = 1,512.77 : x
  2. Step 2: Convert to fraction form
    5,461.27/8,191.73 = 1,512.77/x
  3. Step 3: Cross multiply
    5,461.27x = 8,191.73 × 1,512.77
  4. Step 4: Simplify right side
    5,461.27x = 12,392,166.22
  5. Step 5: Solve for x
    x = 12,392,166.22/5,461.27
  6. Step 6: Final answer
    x = 2,269.10

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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.