Home / 8,370.43-11,550.35-4,834.78

Finding the Fourth Proportional to 8,370.43, 11,550.35 and 4,834.78

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Solution

The fourth proportional to 8,370.43, 11,550.35 and 4,834.78 is: 6,671.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,370.43 : 11,550.35 = 4,834.78 : x
  2. Step 2: Convert to fraction form
    8,370.43/11,550.35 = 4,834.78/x
  3. Step 3: Cross multiply
    8,370.43x = 11,550.35 × 4,834.78
  4. Step 4: Simplify right side
    8,370.43x = 55,843,384.38
  5. Step 5: Solve for x
    x = 55,843,384.38/8,370.43
  6. Step 6: Final answer
    x = 6,671.51

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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.