Home / 6,285.28-8,673.66-3,490.78

Finding the Fourth Proportional to 6,285.28, 8,673.66 and 3,490.78

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Solution

The fourth proportional to 6,285.28, 8,673.66 and 3,490.78 is: 4,817.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,285.28 : 8,673.66 = 3,490.78 : x
  2. Step 2: Convert to fraction form
    6,285.28/8,673.66 = 3,490.78/x
  3. Step 3: Cross multiply
    6,285.28x = 8,673.66 × 3,490.78
  4. Step 4: Simplify right side
    6,285.28x = 30,277,838.85
  5. Step 5: Solve for x
    x = 30,277,838.85/6,285.28
  6. Step 6: Final answer
    x = 4,817.26

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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.