Home / 6,125.78-9,188.70-1,743.20

Finding the Fourth Proportional to 6,125.78, 9,188.70 and 1,743.20

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Solution

The fourth proportional to 6,125.78, 9,188.70 and 1,743.20 is: 2,614.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,125.78 : 9,188.70 = 1,743.20 : x
  2. Step 2: Convert to fraction form
    6,125.78/9,188.70 = 1,743.20/x
  3. Step 3: Cross multiply
    6,125.78x = 9,188.70 × 1,743.20
  4. Step 4: Simplify right side
    6,125.78x = 16,017,741.84
  5. Step 5: Solve for x
    x = 16,017,741.84/6,125.78
  6. Step 6: Final answer
    x = 2,614.81

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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.