Home / 9,119.28-13,683.78-3,924.84

Finding the Fourth Proportional to 9,119.28, 13,683.78 and 3,924.84

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Solution

The fourth proportional to 9,119.28, 13,683.78 and 3,924.84 is: 5,889.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,119.28 : 13,683.78 = 3,924.84 : x
  2. Step 2: Convert to fraction form
    9,119.28/13,683.78 = 3,924.84/x
  3. Step 3: Cross multiply
    9,119.28x = 13,683.78 × 3,924.84
  4. Step 4: Simplify right side
    9,119.28x = 53,706,647.10
  5. Step 5: Solve for x
    x = 53,706,647.10/9,119.28
  6. Step 6: Final answer
    x = 5,889.35

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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.