Home / 7,022.70-10,538.10-2,643.30

Finding the Fourth Proportional to 7,022.70, 10,538.10 and 2,643.30

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Solution

The fourth proportional to 7,022.70, 10,538.10 and 2,643.30 is: 3,966.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,022.70 : 10,538.10 = 2,643.30 : x
  2. Step 2: Convert to fraction form
    7,022.70/10,538.10 = 2,643.30/x
  3. Step 3: Cross multiply
    7,022.70x = 10,538.10 × 2,643.30
  4. Step 4: Simplify right side
    7,022.70x = 27,855,359.73
  5. Step 5: Solve for x
    x = 27,855,359.73/7,022.70
  6. Step 6: Final answer
    x = 3,966.47

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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.