Home / 6,746.18-10,120.91-2,586.11

Finding the Fourth Proportional to 6,746.18, 10,120.91 and 2,586.11

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Solution

The fourth proportional to 6,746.18, 10,120.91 and 2,586.11 is: 3,879.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,746.18 : 10,120.91 = 2,586.11 : x
  2. Step 2: Convert to fraction form
    6,746.18/10,120.91 = 2,586.11/x
  3. Step 3: Cross multiply
    6,746.18x = 10,120.91 × 2,586.11
  4. Step 4: Simplify right side
    6,746.18x = 26,173,723.03
  5. Step 5: Solve for x
    x = 26,173,723.03/6,746.18
  6. Step 6: Final answer
    x = 3,879.79

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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.