Home / 6,749.13-10,124.30-1,818.66

Finding the Fourth Proportional to 6,749.13, 10,124.30 and 1,818.66

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Solution

The fourth proportional to 6,749.13, 10,124.30 and 1,818.66 is: 2,728.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,749.13 : 10,124.30 = 1,818.66 : x
  2. Step 2: Convert to fraction form
    6,749.13/10,124.30 = 1,818.66/x
  3. Step 3: Cross multiply
    6,749.13x = 10,124.30 × 1,818.66
  4. Step 4: Simplify right side
    6,749.13x = 18,412,659.44
  5. Step 5: Solve for x
    x = 18,412,659.44/6,749.13
  6. Step 6: Final answer
    x = 2,728.15

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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.