Home / 7,640.69-11,462.28-2,709.26

Finding the Fourth Proportional to 7,640.69, 11,462.28 and 2,709.26

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Solution

The fourth proportional to 7,640.69, 11,462.28 and 2,709.26 is: 4,064.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,640.69 : 11,462.28 = 2,709.26 : x
  2. Step 2: Convert to fraction form
    7,640.69/11,462.28 = 2,709.26/x
  3. Step 3: Cross multiply
    7,640.69x = 11,462.28 × 2,709.26
  4. Step 4: Simplify right side
    7,640.69x = 31,054,296.71
  5. Step 5: Solve for x
    x = 31,054,296.71/7,640.69
  6. Step 6: Final answer
    x = 4,064.33

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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.