Home / 7,760.37-11,640.94-2,214.53

Finding the Fourth Proportional to 7,760.37, 11,640.94 and 2,214.53

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Solution

The fourth proportional to 7,760.37, 11,640.94 and 2,214.53 is: 3,321.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,760.37 : 11,640.94 = 2,214.53 : x
  2. Step 2: Convert to fraction form
    7,760.37/11,640.94 = 2,214.53/x
  3. Step 3: Cross multiply
    7,760.37x = 11,640.94 × 2,214.53
  4. Step 4: Simplify right side
    7,760.37x = 25,779,268.71
  5. Step 5: Solve for x
    x = 25,779,268.71/7,760.37
  6. Step 6: Final answer
    x = 3,321.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.