Home / 7,859.93-10,845.66-4,874.69

Finding the Fourth Proportional to 7,859.93, 10,845.66 and 4,874.69

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Solution

The fourth proportional to 7,859.93, 10,845.66 and 4,874.69 is: 6,726.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,859.93 : 10,845.66 = 4,874.69 : x
  2. Step 2: Convert to fraction form
    7,859.93/10,845.66 = 4,874.69/x
  3. Step 3: Cross multiply
    7,859.93x = 10,845.66 × 4,874.69
  4. Step 4: Simplify right side
    7,859.93x = 52,869,230.35
  5. Step 5: Solve for x
    x = 52,869,230.35/7,859.93
  6. Step 6: Final answer
    x = 6,726.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.