Home / 6,785.06-9,363.46-3,913.12

Finding the Fourth Proportional to 6,785.06, 9,363.46 and 3,913.12

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Solution

The fourth proportional to 6,785.06, 9,363.46 and 3,913.12 is: 5,400.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,785.06 : 9,363.46 = 3,913.12 : x
  2. Step 2: Convert to fraction form
    6,785.06/9,363.46 = 3,913.12/x
  3. Step 3: Cross multiply
    6,785.06x = 9,363.46 × 3,913.12
  4. Step 4: Simplify right side
    6,785.06x = 36,640,336.52
  5. Step 5: Solve for x
    x = 36,640,336.52/6,785.06
  6. Step 6: Final answer
    x = 5,400.15

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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.