Home / 7,722.14-10,664.10-6,596.51

Finding the Fourth Proportional to 7,722.14, 10,664.10 and 6,596.51

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Solution

The fourth proportional to 7,722.14, 10,664.10 and 6,596.51 is: 9,109.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,722.14 : 10,664.10 = 6,596.51 : x
  2. Step 2: Convert to fraction form
    7,722.14/10,664.10 = 6,596.51/x
  3. Step 3: Cross multiply
    7,722.14x = 10,664.10 × 6,596.51
  4. Step 4: Simplify right side
    7,722.14x = 70,345,788.97
  5. Step 5: Solve for x
    x = 70,345,788.97/7,722.14
  6. Step 6: Final answer
    x = 9,109.63

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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.