Home / 6,852.24-10,278.20-3,928.40

Finding the Fourth Proportional to 6,852.24, 10,278.20 and 3,928.40

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Solution

The fourth proportional to 6,852.24, 10,278.20 and 3,928.40 is: 5,892.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,852.24 : 10,278.20 = 3,928.40 : x
  2. Step 2: Convert to fraction form
    6,852.24/10,278.20 = 3,928.40/x
  3. Step 3: Cross multiply
    6,852.24x = 10,278.20 × 3,928.40
  4. Step 4: Simplify right side
    6,852.24x = 40,376,880.88
  5. Step 5: Solve for x
    x = 40,376,880.88/6,852.24
  6. Step 6: Final answer
    x = 5,892.51

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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.