Home / 7,626.49-10,518.66-5,107.79

Finding the Fourth Proportional to 7,626.49, 10,518.66 and 5,107.79

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Solution

The fourth proportional to 7,626.49, 10,518.66 and 5,107.79 is: 7,044.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,626.49 : 10,518.66 = 5,107.79 : x
  2. Step 2: Convert to fraction form
    7,626.49/10,518.66 = 5,107.79/x
  3. Step 3: Cross multiply
    7,626.49x = 10,518.66 × 5,107.79
  4. Step 4: Simplify right side
    7,626.49x = 53,727,132.66
  5. Step 5: Solve for x
    x = 53,727,132.66/7,626.49
  6. Step 6: Final answer
    x = 7,044.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.