Home / 7,441.24-11,150-3,931.12

Finding the Fourth Proportional to 7,441.24, 11,150 and 3,931.12

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Solution

The fourth proportional to 7,441.24, 11,150 and 3,931.12 is: 5,890.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,441.24 : 11,150 = 3,931.12 : x
  2. Step 2: Convert to fraction form
    7,441.24/11,150 = 3,931.12/x
  3. Step 3: Cross multiply
    7,441.24x = 11,150 × 3,931.12
  4. Step 4: Simplify right side
    7,441.24x = 43,831,988
  5. Step 5: Solve for x
    x = 43,831,988/7,441.24
  6. Step 6: Final answer
    x = 5,890.41

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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.