Home / 5,655.39-7,804.49-3,137.91

Finding the Fourth Proportional to 5,655.39, 7,804.49 and 3,137.91

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Solution

The fourth proportional to 5,655.39, 7,804.49 and 3,137.91 is: 4,330.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,655.39 : 7,804.49 = 3,137.91 : x
  2. Step 2: Convert to fraction form
    5,655.39/7,804.49 = 3,137.91/x
  3. Step 3: Cross multiply
    5,655.39x = 7,804.49 × 3,137.91
  4. Step 4: Simplify right side
    5,655.39x = 24,489,771.53
  5. Step 5: Solve for x
    x = 24,489,771.53/5,655.39
  6. Step 6: Final answer
    x = 4,330.34

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1.5x scale

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.