Home / 4,803.12-6,628.07-2,678.87

Finding the Fourth Proportional to 4,803.12, 6,628.07 and 2,678.87

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Solution

The fourth proportional to 4,803.12, 6,628.07 and 2,678.87 is: 3,696.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,803.12 : 6,628.07 = 2,678.87 : x
  2. Step 2: Convert to fraction form
    4,803.12/6,628.07 = 2,678.87/x
  3. Step 3: Cross multiply
    4,803.12x = 6,628.07 × 2,678.87
  4. Step 4: Simplify right side
    4,803.12x = 17,755,761.15
  5. Step 5: Solve for x
    x = 17,755,761.15/4,803.12
  6. Step 6: Final answer
    x = 3,696.71

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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.