Home / 8,637.75-12,961.08-3,706.11

Finding the Fourth Proportional to 8,637.75, 12,961.08 and 3,706.11

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Solution

The fourth proportional to 8,637.75, 12,961.08 and 3,706.11 is: 5,561.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,637.75 : 12,961.08 = 3,706.11 : x
  2. Step 2: Convert to fraction form
    8,637.75/12,961.08 = 3,706.11/x
  3. Step 3: Cross multiply
    8,637.75x = 12,961.08 × 3,706.11
  4. Step 4: Simplify right side
    8,637.75x = 48,035,188.20
  5. Step 5: Solve for x
    x = 48,035,188.20/8,637.75
  6. Step 6: Final answer
    x = 5,561.08

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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.