Home / 6,895.70-10,343.90-1,966.07

Finding the Fourth Proportional to 6,895.70, 10,343.90 and 1,966.07

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Solution

The fourth proportional to 6,895.70, 10,343.90 and 1,966.07 is: 2,949.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,895.70 : 10,343.90 = 1,966.07 : x
  2. Step 2: Convert to fraction form
    6,895.70/10,343.90 = 1,966.07/x
  3. Step 3: Cross multiply
    6,895.70x = 10,343.90 × 1,966.07
  4. Step 4: Simplify right side
    6,895.70x = 20,336,808.71
  5. Step 5: Solve for x
    x = 20,336,808.71/6,895.70
  6. Step 6: Final answer
    x = 2,949.20

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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.