Home / 6,125.31-9,189.50-1,742.77

Finding the Fourth Proportional to 6,125.31, 9,189.50 and 1,742.77

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Solution

The fourth proportional to 6,125.31, 9,189.50 and 1,742.77 is: 2,614.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,125.31 : 9,189.50 = 1,742.77 : x
  2. Step 2: Convert to fraction form
    6,125.31/9,189.50 = 1,742.77/x
  3. Step 3: Cross multiply
    6,125.31x = 9,189.50 × 1,742.77
  4. Step 4: Simplify right side
    6,125.31x = 16,015,145.80
  5. Step 5: Solve for x
    x = 16,015,145.80/6,125.31
  6. Step 6: Final answer
    x = 2,614.59

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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.