Home / 7,429.68-11,144.41-1,807.39

Finding the Fourth Proportional to 7,429.68, 11,144.41 and 1,807.39

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Solution

The fourth proportional to 7,429.68, 11,144.41 and 1,807.39 is: 2,711.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.68 : 11,144.41 = 1,807.39 : x
  2. Step 2: Convert to fraction form
    7,429.68/11,144.41 = 1,807.39/x
  3. Step 3: Cross multiply
    7,429.68x = 11,144.41 × 1,807.39
  4. Step 4: Simplify right side
    7,429.68x = 20,142,304.60
  5. Step 5: Solve for x
    x = 20,142,304.60/7,429.68
  6. Step 6: Final answer
    x = 2,711.06

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1.5x scale

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.