Home / 5,269.81-7,908.93-2,637.21

Finding the Fourth Proportional to 5,269.81, 7,908.93 and 2,637.21

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Solution

The fourth proportional to 5,269.81, 7,908.93 and 2,637.21 is: 3,957.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.81 : 7,908.93 = 2,637.21 : x
  2. Step 2: Convert to fraction form
    5,269.81/7,908.93 = 2,637.21/x
  3. Step 3: Cross multiply
    5,269.81x = 7,908.93 × 2,637.21
  4. Step 4: Simplify right side
    5,269.81x = 20,857,509.29
  5. Step 5: Solve for x
    x = 20,857,509.29/5,269.81
  6. Step 6: Final answer
    x = 3,957.92

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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.