Home / 6,288.10-8,677.29-3,493.78

Finding the Fourth Proportional to 6,288.10, 8,677.29 and 3,493.78

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Solution

The fourth proportional to 6,288.10, 8,677.29 and 3,493.78 is: 4,821.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,288.10 : 8,677.29 = 3,493.78 : x
  2. Step 2: Convert to fraction form
    6,288.10/8,677.29 = 3,493.78/x
  3. Step 3: Cross multiply
    6,288.10x = 8,677.29 × 3,493.78
  4. Step 4: Simplify right side
    6,288.10x = 30,316,542.26
  5. Step 5: Solve for x
    x = 30,316,542.26/6,288.10
  6. Step 6: Final answer
    x = 4,821.26

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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.