Home / 9,148.28-13,711.16-5,202.84

Finding the Fourth Proportional to 9,148.28, 13,711.16 and 5,202.84

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Solution

The fourth proportional to 9,148.28, 13,711.16 and 5,202.84 is: 7,797.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.28 : 13,711.16 = 5,202.84 : x
  2. Step 2: Convert to fraction form
    9,148.28/13,711.16 = 5,202.84/x
  3. Step 3: Cross multiply
    9,148.28x = 13,711.16 × 5,202.84
  4. Step 4: Simplify right side
    9,148.28x = 71,336,971.69
  5. Step 5: Solve for x
    x = 71,336,971.69/9,148.28
  6. Step 6: Final answer
    x = 7,797.86

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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.