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Finding the Fourth Proportional to 8,637.81, 12,958.61 and 2,795.01

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Solution

The fourth proportional to 8,637.81, 12,958.61 and 2,795.01 is: 4,193.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,637.81 : 12,958.61 = 2,795.01 : x
  2. Step 2: Convert to fraction form
    8,637.81/12,958.61 = 2,795.01/x
  3. Step 3: Cross multiply
    8,637.81x = 12,958.61 × 2,795.01
  4. Step 4: Simplify right side
    8,637.81x = 36,219,430.56
  5. Step 5: Solve for x
    x = 36,219,430.56/8,637.81
  6. Step 6: Final answer
    x = 4,193.13

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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.