Home / 5,655.56-7,804.69-3,137.72

Finding the Fourth Proportional to 5,655.56, 7,804.69 and 3,137.72

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Solution

The fourth proportional to 5,655.56, 7,804.69 and 3,137.72 is: 4,330.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655.56 : 7,804.69 = 3,137.72 : x
  2. Step 2: Convert to fraction form
    5,655.56/7,804.69 = 3,137.72/x
  3. Step 3: Cross multiply
    5,655.56x = 7,804.69 × 3,137.72
  4. Step 4: Simplify right side
    5,655.56x = 24,488,904.55
  5. Step 5: Solve for x
    x = 24,488,904.55/5,655.56
  6. Step 6: Final answer
    x = 4,330.06

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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.