Home / 6,904.40-10,342.20-3,822.80

Finding the Fourth Proportional to 6,904.40, 10,342.20 and 3,822.80

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Solution

The fourth proportional to 6,904.40, 10,342.20 and 3,822.80 is: 5,726.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,904.40 : 10,342.20 = 3,822.80 : x
  2. Step 2: Convert to fraction form
    6,904.40/10,342.20 = 3,822.80/x
  3. Step 3: Cross multiply
    6,904.40x = 10,342.20 × 3,822.80
  4. Step 4: Simplify right side
    6,904.40x = 39,536,162.16
  5. Step 5: Solve for x
    x = 39,536,162.16/6,904.40
  6. Step 6: Final answer
    x = 5,726.23

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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.