Home / 7,133.72-10,693.22-2,976.14

Finding the Fourth Proportional to 7,133.72, 10,693.22 and 2,976.14

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Solution

The fourth proportional to 7,133.72, 10,693.22 and 2,976.14 is: 4,461.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,133.72 : 10,693.22 = 2,976.14 : x
  2. Step 2: Convert to fraction form
    7,133.72/10,693.22 = 2,976.14/x
  3. Step 3: Cross multiply
    7,133.72x = 10,693.22 × 2,976.14
  4. Step 4: Simplify right side
    7,133.72x = 31,824,531.62
  5. Step 5: Solve for x
    x = 31,824,531.62/7,133.72
  6. Step 6: Final answer
    x = 4,461.14

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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.