Home / 6,511.01-9,719.37-5,722.81

Finding the Fourth Proportional to 6,511.01, 9,719.37 and 5,722.81

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Solution

The fourth proportional to 6,511.01, 9,719.37 and 5,722.81 is: 8,542.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,511.01 : 9,719.37 = 5,722.81 : x
  2. Step 2: Convert to fraction form
    6,511.01/9,719.37 = 5,722.81/x
  3. Step 3: Cross multiply
    6,511.01x = 9,719.37 × 5,722.81
  4. Step 4: Simplify right side
    6,511.01x = 55,622,083.53
  5. Step 5: Solve for x
    x = 55,622,083.53/6,511.01
  6. Step 6: Final answer
    x = 8,542.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.