Home / 7,760.42-11,641.02-2,214.57

Finding the Fourth Proportional to 7,760.42, 11,641.02 and 2,214.57

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Solution

The fourth proportional to 7,760.42, 11,641.02 and 2,214.57 is: 3,321.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,760.42 : 11,641.02 = 2,214.57 : x
  2. Step 2: Convert to fraction form
    7,760.42/11,641.02 = 2,214.57/x
  3. Step 3: Cross multiply
    7,760.42x = 11,641.02 × 2,214.57
  4. Step 4: Simplify right side
    7,760.42x = 25,779,842.59
  5. Step 5: Solve for x
    x = 25,779,842.59/7,760.42
  6. Step 6: Final answer
    x = 3,321.97

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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.