Home / 7,429.25-11,136.37-4,657.87

Finding the Fourth Proportional to 7,429.25, 11,136.37 and 4,657.87

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Solution

The fourth proportional to 7,429.25, 11,136.37 and 4,657.87 is: 6,982.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.25 : 11,136.37 = 4,657.87 : x
  2. Step 2: Convert to fraction form
    7,429.25/11,136.37 = 4,657.87/x
  3. Step 3: Cross multiply
    7,429.25x = 11,136.37 × 4,657.87
  4. Step 4: Simplify right side
    7,429.25x = 51,871,708.05
  5. Step 5: Solve for x
    x = 51,871,708.05/7,429.25
  6. Step 6: Final answer
    x = 6,982.10

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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.