Home / 7,092.40-10,639.14-3,396.28

Finding the Fourth Proportional to 7,092.40, 10,639.14 and 3,396.28

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Solution

The fourth proportional to 7,092.40, 10,639.14 and 3,396.28 is: 5,094.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,092.40 : 10,639.14 = 3,396.28 : x
  2. Step 2: Convert to fraction form
    7,092.40/10,639.14 = 3,396.28/x
  3. Step 3: Cross multiply
    7,092.40x = 10,639.14 × 3,396.28
  4. Step 4: Simplify right side
    7,092.40x = 36,133,498.40
  5. Step 5: Solve for x
    x = 36,133,498.40/7,092.40
  6. Step 6: Final answer
    x = 5,094.68

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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.