Home / 5,237.81-7,228.04-2,847.71

Finding the Fourth Proportional to 5,237.81, 7,228.04 and 2,847.71

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Solution

The fourth proportional to 5,237.81, 7,228.04 and 2,847.71 is: 3,929.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,237.81 : 7,228.04 = 2,847.71 : x
  2. Step 2: Convert to fraction form
    5,237.81/7,228.04 = 2,847.71/x
  3. Step 3: Cross multiply
    5,237.81x = 7,228.04 × 2,847.71
  4. Step 4: Simplify right side
    5,237.81x = 20,583,324.96
  5. Step 5: Solve for x
    x = 20,583,324.96/5,237.81
  6. Step 6: Final answer
    x = 3,929.75

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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.