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Finding the Fourth Proportional to 6,290.92, 9,443.67 and 3,374.92

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Solution

The fourth proportional to 6,290.92, 9,443.67 and 3,374.92 is: 5,066.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,290.92 : 9,443.67 = 3,374.92 : x
  2. Step 2: Convert to fraction form
    6,290.92/9,443.67 = 3,374.92/x
  3. Step 3: Cross multiply
    6,290.92x = 9,443.67 × 3,374.92
  4. Step 4: Simplify right side
    6,290.92x = 31,871,607.15
  5. Step 5: Solve for x
    x = 31,871,607.15/6,290.92
  6. Step 6: Final answer
    x = 5,066.29

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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.