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Finding the Fourth Proportional to 6,270.35, 8,661.60 and 5,020.38

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Solution

The fourth proportional to 6,270.35, 8,661.60 and 5,020.38 is: 6,934.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,270.35 : 8,661.60 = 5,020.38 : x
  2. Step 2: Convert to fraction form
    6,270.35/8,661.60 = 5,020.38/x
  3. Step 3: Cross multiply
    6,270.35x = 8,661.60 × 5,020.38
  4. Step 4: Simplify right side
    6,270.35x = 43,484,523.41
  5. Step 5: Solve for x
    x = 43,484,523.41/6,270.35
  6. Step 6: Final answer
    x = 6,934.95

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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.