Home / 6,879.77-10,306.37-4,108.66

Finding the Fourth Proportional to 6,879.77, 10,306.37 and 4,108.66

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Solution

The fourth proportional to 6,879.77, 10,306.37 and 4,108.66 is: 6,155.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,879.77 : 10,306.37 = 4,108.66 : x
  2. Step 2: Convert to fraction form
    6,879.77/10,306.37 = 4,108.66/x
  3. Step 3: Cross multiply
    6,879.77x = 10,306.37 × 4,108.66
  4. Step 4: Simplify right side
    6,879.77x = 42,345,354.67
  5. Step 5: Solve for x
    x = 42,345,354.67/6,879.77
  6. Step 6: Final answer
    x = 6,155.05

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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.