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Finding the Fourth Proportional to 6,476.98, 8,943.25 and 5,058.20

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Solution

The fourth proportional to 6,476.98, 8,943.25 and 5,058.20 is: 6,984.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,476.98 : 8,943.25 = 5,058.20 : x
  2. Step 2: Convert to fraction form
    6,476.98/8,943.25 = 5,058.20/x
  3. Step 3: Cross multiply
    6,476.98x = 8,943.25 × 5,058.20
  4. Step 4: Simplify right side
    6,476.98x = 45,236,747.15
  5. Step 5: Solve for x
    x = 45,236,747.15/6,476.98
  6. Step 6: Final answer
    x = 6,984.23

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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.