Home / 7,141.22-10,704.47-2,983.65

Finding the Fourth Proportional to 7,141.22, 10,704.47 and 2,983.65

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Solution

The fourth proportional to 7,141.22, 10,704.47 and 2,983.65 is: 4,472.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,141.22 : 10,704.47 = 2,983.65 : x
  2. Step 2: Convert to fraction form
    7,141.22/10,704.47 = 2,983.65/x
  3. Step 3: Cross multiply
    7,141.22x = 10,704.47 × 2,983.65
  4. Step 4: Simplify right side
    7,141.22x = 31,938,377.00
  5. Step 5: Solve for x
    x = 31,938,377.00/7,141.22
  6. Step 6: Final answer
    x = 4,472.40

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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.