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Finding the Fourth Proportional to 6,285.47, 8,673.95 and 3,490.97

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Solution

The fourth proportional to 6,285.47, 8,673.95 and 3,490.97 is: 4,817.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,285.47 : 8,673.95 = 3,490.97 : x
  2. Step 2: Convert to fraction form
    6,285.47/8,673.95 = 3,490.97/x
  3. Step 3: Cross multiply
    6,285.47x = 8,673.95 × 3,490.97
  4. Step 4: Simplify right side
    6,285.47x = 30,280,438.41
  5. Step 5: Solve for x
    x = 30,280,438.41/6,285.47
  6. Step 6: Final answer
    x = 4,817.53

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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.