Home / 7,711.24-11,608.89-5,261.49

Finding the Fourth Proportional to 7,711.24, 11,608.89 and 5,261.49

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Solution

The fourth proportional to 7,711.24, 11,608.89 and 5,261.49 is: 7,920.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,711.24 : 11,608.89 = 5,261.49 : x
  2. Step 2: Convert to fraction form
    7,711.24/11,608.89 = 5,261.49/x
  3. Step 3: Cross multiply
    7,711.24x = 11,608.89 × 5,261.49
  4. Step 4: Simplify right side
    7,711.24x = 61,080,058.65
  5. Step 5: Solve for x
    x = 61,080,058.65/7,711.24
  6. Step 6: Final answer
    x = 7,920.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.