Home / 5,449.47-7,505.94-4,188.11

Finding the Fourth Proportional to 5,449.47, 7,505.94 and 4,188.11

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Solution

The fourth proportional to 5,449.47, 7,505.94 and 4,188.11 is: 5,768.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,449.47 : 7,505.94 = 4,188.11 : x
  2. Step 2: Convert to fraction form
    5,449.47/7,505.94 = 4,188.11/x
  3. Step 3: Cross multiply
    5,449.47x = 7,505.94 × 4,188.11
  4. Step 4: Simplify right side
    5,449.47x = 31,435,702.37
  5. Step 5: Solve for x
    x = 31,435,702.37/5,449.47
  6. Step 6: Final answer
    x = 5,768.58

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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.