Home / 8,349.17-11,521.62-5,161.19

Finding the Fourth Proportional to 8,349.17, 11,521.62 and 5,161.19

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Solution

The fourth proportional to 8,349.17, 11,521.62 and 5,161.19 is: 7,122.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,349.17 : 11,521.62 = 5,161.19 : x
  2. Step 2: Convert to fraction form
    8,349.17/11,521.62 = 5,161.19/x
  3. Step 3: Cross multiply
    8,349.17x = 11,521.62 × 5,161.19
  4. Step 4: Simplify right side
    8,349.17x = 59,465,212.32
  5. Step 5: Solve for x
    x = 59,465,212.32/8,349.17
  6. Step 6: Final answer
    x = 7,122.29

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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.