Home / 6,283.69-8,671.49-3,489.19

Finding the Fourth Proportional to 6,283.69, 8,671.49 and 3,489.19

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Solution

The fourth proportional to 6,283.69, 8,671.49 and 3,489.19 is: 4,815.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,283.69 : 8,671.49 = 3,489.19 : x
  2. Step 2: Convert to fraction form
    6,283.69/8,671.49 = 3,489.19/x
  3. Step 3: Cross multiply
    6,283.69x = 8,671.49 × 3,489.19
  4. Step 4: Simplify right side
    6,283.69x = 30,256,450.15
  5. Step 5: Solve for x
    x = 30,256,450.15/6,283.69
  6. Step 6: Final answer
    x = 4,815.08

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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.