Home / 7,711.20-10,646.37-5,063.31

Finding the Fourth Proportional to 7,711.20, 10,646.37 and 5,063.31

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Solution

The fourth proportional to 7,711.20, 10,646.37 and 5,063.31 is: 6,990.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,711.20 : 10,646.37 = 5,063.31 : x
  2. Step 2: Convert to fraction form
    7,711.20/10,646.37 = 5,063.31/x
  3. Step 3: Cross multiply
    7,711.20x = 10,646.37 × 5,063.31
  4. Step 4: Simplify right side
    7,711.20x = 53,905,871.68
  5. Step 5: Solve for x
    x = 53,905,871.68/7,711.20
  6. Step 6: Final answer
    x = 6,990.59

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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.