Home / 7,122.06-10,681.47-2,737.26

Finding the Fourth Proportional to 7,122.06, 10,681.47 and 2,737.26

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Solution

The fourth proportional to 7,122.06, 10,681.47 and 2,737.26 is: 4,105.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,122.06 : 10,681.47 = 2,737.26 : x
  2. Step 2: Convert to fraction form
    7,122.06/10,681.47 = 2,737.26/x
  3. Step 3: Cross multiply
    7,122.06x = 10,681.47 × 2,737.26
  4. Step 4: Simplify right side
    7,122.06x = 29,237,960.57
  5. Step 5: Solve for x
    x = 29,237,960.57/7,122.06
  6. Step 6: Final answer
    x = 4,105.27

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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.