Home / 7,098.40-10,645.52-3,398.56

Finding the Fourth Proportional to 7,098.40, 10,645.52 and 3,398.56

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Solution

The fourth proportional to 7,098.40, 10,645.52 and 3,398.56 is: 5,096.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,098.40 : 10,645.52 = 3,398.56 : x
  2. Step 2: Convert to fraction form
    7,098.40/10,645.52 = 3,398.56/x
  3. Step 3: Cross multiply
    7,098.40x = 10,645.52 × 3,398.56
  4. Step 4: Simplify right side
    7,098.40x = 36,179,438.45
  5. Step 5: Solve for x
    x = 36,179,438.45/7,098.40
  6. Step 6: Final answer
    x = 5,096.84

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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.