Home / 5,538.58-7,642.56-4,702.66

Finding the Fourth Proportional to 5,538.58, 7,642.56 and 4,702.66

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Solution

The fourth proportional to 5,538.58, 7,642.56 and 4,702.66 is: 6,489.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.58 : 7,642.56 = 4,702.66 : x
  2. Step 2: Convert to fraction form
    5,538.58/7,642.56 = 4,702.66/x
  3. Step 3: Cross multiply
    5,538.58x = 7,642.56 × 4,702.66
  4. Step 4: Simplify right side
    5,538.58x = 35,940,361.21
  5. Step 5: Solve for x
    x = 35,940,361.21/5,538.58
  6. Step 6: Final answer
    x = 6,489.09

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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.