Home / 5,461.32-8,191.97-1,357.32

Finding the Fourth Proportional to 5,461.32, 8,191.97 and 1,357.32

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Solution

The fourth proportional to 5,461.32, 8,191.97 and 1,357.32 is: 2,035.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,461.32 : 8,191.97 = 1,357.32 : x
  2. Step 2: Convert to fraction form
    5,461.32/8,191.97 = 1,357.32/x
  3. Step 3: Cross multiply
    5,461.32x = 8,191.97 × 1,357.32
  4. Step 4: Simplify right side
    5,461.32x = 11,119,083.76
  5. Step 5: Solve for x
    x = 11,119,083.76/5,461.32
  6. Step 6: Final answer
    x = 2,035.97

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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.