Home / 7,822.88-10,795.57-4,679.81

Finding the Fourth Proportional to 7,822.88, 10,795.57 and 4,679.81

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Solution

The fourth proportional to 7,822.88, 10,795.57 and 4,679.81 is: 6,458.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,822.88 : 10,795.57 = 4,679.81 : x
  2. Step 2: Convert to fraction form
    7,822.88/10,795.57 = 4,679.81/x
  3. Step 3: Cross multiply
    7,822.88x = 10,795.57 × 4,679.81
  4. Step 4: Simplify right side
    7,822.88x = 50,521,150.76
  5. Step 5: Solve for x
    x = 50,521,150.76/7,822.88
  6. Step 6: Final answer
    x = 6,458.13

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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.