Home / 6,887.12-9,498.78-4,763.49

Finding the Fourth Proportional to 6,887.12, 9,498.78 and 4,763.49

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Solution

The fourth proportional to 6,887.12, 9,498.78 and 4,763.49 is: 6,569.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887.12 : 9,498.78 = 4,763.49 : x
  2. Step 2: Convert to fraction form
    6,887.12/9,498.78 = 4,763.49/x
  3. Step 3: Cross multiply
    6,887.12x = 9,498.78 × 4,763.49
  4. Step 4: Simplify right side
    6,887.12x = 45,247,343.54
  5. Step 5: Solve for x
    x = 45,247,343.54/6,887.12
  6. Step 6: Final answer
    x = 6,569.85

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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.