Home / 5,435.39-8,150.33-2,657.90

Finding the Fourth Proportional to 5,435.39, 8,150.33 and 2,657.90

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Solution

The fourth proportional to 5,435.39, 8,150.33 and 2,657.90 is: 3,985.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.39 : 8,150.33 = 2,657.90 : x
  2. Step 2: Convert to fraction form
    5,435.39/8,150.33 = 2,657.90/x
  3. Step 3: Cross multiply
    5,435.39x = 8,150.33 × 2,657.90
  4. Step 4: Simplify right side
    5,435.39x = 21,662,708.07
  5. Step 5: Solve for x
    x = 21,662,708.07/5,435.39
  6. Step 6: Final answer
    x = 3,985.50

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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.