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Finding the Fourth Proportional to 8,443.17, 12,656.23 and 4,058.24

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Solution

The fourth proportional to 8,443.17, 12,656.23 and 4,058.24 is: 6,083.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,443.17 : 12,656.23 = 4,058.24 : x
  2. Step 2: Convert to fraction form
    8,443.17/12,656.23 = 4,058.24/x
  3. Step 3: Cross multiply
    8,443.17x = 12,656.23 × 4,058.24
  4. Step 4: Simplify right side
    8,443.17x = 51,361,945.41
  5. Step 5: Solve for x
    x = 51,361,945.41/8,443.17
  6. Step 6: Final answer
    x = 6,083.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.