Home / 6,951.20-10,428.42-2,020.94

Finding the Fourth Proportional to 6,951.20, 10,428.42 and 2,020.94

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Solution

The fourth proportional to 6,951.20, 10,428.42 and 2,020.94 is: 3,031.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,951.20 : 10,428.42 = 2,020.94 : x
  2. Step 2: Convert to fraction form
    6,951.20/10,428.42 = 2,020.94/x
  3. Step 3: Cross multiply
    6,951.20x = 10,428.42 × 2,020.94
  4. Step 4: Simplify right side
    6,951.20x = 21,075,211.11
  5. Step 5: Solve for x
    x = 21,075,211.11/6,951.20
  6. Step 6: Final answer
    x = 3,031.88

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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.