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Finding the Fourth Proportional to 6,295.64, 8,693.78 and 4,061.39

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Solution

The fourth proportional to 6,295.64, 8,693.78 and 4,061.39 is: 5,608.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,295.64 : 8,693.78 = 4,061.39 : x
  2. Step 2: Convert to fraction form
    6,295.64/8,693.78 = 4,061.39/x
  3. Step 3: Cross multiply
    6,295.64x = 8,693.78 × 4,061.39
  4. Step 4: Simplify right side
    6,295.64x = 35,308,767.38
  5. Step 5: Solve for x
    x = 35,308,767.38/6,295.64
  6. Step 6: Final answer
    x = 5,608.45

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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.