Home / 7,422.28-11,133.42-3,038.74

Finding the Fourth Proportional to 7,422.28, 11,133.42 and 3,038.74

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Solution

The fourth proportional to 7,422.28, 11,133.42 and 3,038.74 is: 4,558.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,422.28 : 11,133.42 = 3,038.74 : x
  2. Step 2: Convert to fraction form
    7,422.28/11,133.42 = 3,038.74/x
  3. Step 3: Cross multiply
    7,422.28x = 11,133.42 × 3,038.74
  4. Step 4: Simplify right side
    7,422.28x = 33,831,568.69
  5. Step 5: Solve for x
    x = 33,831,568.69/7,422.28
  6. Step 6: Final answer
    x = 4,558.11

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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.