Home / 5,655.29-7,804.39-3,137.50

Finding the Fourth Proportional to 5,655.29, 7,804.39 and 3,137.50

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Solution

The fourth proportional to 5,655.29, 7,804.39 and 3,137.50 is: 4,329.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655.29 : 7,804.39 = 3,137.50 : x
  2. Step 2: Convert to fraction form
    5,655.29/7,804.39 = 3,137.50/x
  3. Step 3: Cross multiply
    5,655.29x = 7,804.39 × 3,137.50
  4. Step 4: Simplify right side
    5,655.29x = 24,486,273.63
  5. Step 5: Solve for x
    x = 24,486,273.63/5,655.29
  6. Step 6: Final answer
    x = 4,329.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.