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Finding the Fourth Proportional to 5,848.18, 8,073.81 and 3,864.49

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Solution

The fourth proportional to 5,848.18, 8,073.81 and 3,864.49 is: 5,335.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,848.18 : 8,073.81 = 3,864.49 : x
  2. Step 2: Convert to fraction form
    5,848.18/8,073.81 = 3,864.49/x
  3. Step 3: Cross multiply
    5,848.18x = 8,073.81 × 3,864.49
  4. Step 4: Simplify right side
    5,848.18x = 31,201,137.82
  5. Step 5: Solve for x
    x = 31,201,137.82/5,848.18
  6. Step 6: Final answer
    x = 5,335.19

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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.