Home / 6,913.32-10,366.92-1,981.84

Finding the Fourth Proportional to 6,913.32, 10,366.92 and 1,981.84

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Solution

The fourth proportional to 6,913.32, 10,366.92 and 1,981.84 is: 2,971.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,913.32 : 10,366.92 = 1,981.84 : x
  2. Step 2: Convert to fraction form
    6,913.32/10,366.92 = 1,981.84/x
  3. Step 3: Cross multiply
    6,913.32x = 10,366.92 × 1,981.84
  4. Step 4: Simplify right side
    6,913.32x = 20,545,576.73
  5. Step 5: Solve for x
    x = 20,545,576.73/6,913.32
  6. Step 6: Final answer
    x = 2,971.88

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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.