Home / 7,335.40-10,983.60-3,865.36

Finding the Fourth Proportional to 7,335.40, 10,983.60 and 3,865.36

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Solution

The fourth proportional to 7,335.40, 10,983.60 and 3,865.36 is: 5,787.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335.40 : 10,983.60 = 3,865.36 : x
  2. Step 2: Convert to fraction form
    7,335.40/10,983.60 = 3,865.36/x
  3. Step 3: Cross multiply
    7,335.40x = 10,983.60 × 3,865.36
  4. Step 4: Simplify right side
    7,335.40x = 42,455,568.10
  5. Step 5: Solve for x
    x = 42,455,568.10/7,335.40
  6. Step 6: Final answer
    x = 5,787.76

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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.