Home / 7,070.67-10,607.22-2,912.94

Finding the Fourth Proportional to 7,070.67, 10,607.22 and 2,912.94

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Solution

The fourth proportional to 7,070.67, 10,607.22 and 2,912.94 is: 4,369.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070.67 : 10,607.22 = 2,912.94 : x
  2. Step 2: Convert to fraction form
    7,070.67/10,607.22 = 2,912.94/x
  3. Step 3: Cross multiply
    7,070.67x = 10,607.22 × 2,912.94
  4. Step 4: Simplify right side
    7,070.67x = 30,898,195.43
  5. Step 5: Solve for x
    x = 30,898,195.43/7,070.67
  6. Step 6: Final answer
    x = 4,369.91

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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.