Home / 7,335.56-11,005.86-2,142.20

Finding the Fourth Proportional to 7,335.56, 11,005.86 and 2,142.20

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Solution

The fourth proportional to 7,335.56, 11,005.86 and 2,142.20 is: 3,214.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335.56 : 11,005.86 = 2,142.20 : x
  2. Step 2: Convert to fraction form
    7,335.56/11,005.86 = 2,142.20/x
  3. Step 3: Cross multiply
    7,335.56x = 11,005.86 × 2,142.20
  4. Step 4: Simplify right side
    7,335.56x = 23,576,753.29
  5. Step 5: Solve for x
    x = 23,576,753.29/7,335.56
  6. Step 6: Final answer
    x = 3,214.04

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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.