Home / 5,538.64-7,642.58-3,551.89

Finding the Fourth Proportional to 5,538.64, 7,642.58 and 3,551.89

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Solution

The fourth proportional to 5,538.64, 7,642.58 and 3,551.89 is: 4,901.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.64 : 7,642.58 = 3,551.89 : x
  2. Step 2: Convert to fraction form
    5,538.64/7,642.58 = 3,551.89/x
  3. Step 3: Cross multiply
    5,538.64x = 7,642.58 × 3,551.89
  4. Step 4: Simplify right side
    5,538.64x = 27,145,603.48
  5. Step 5: Solve for x
    x = 27,145,603.48/5,538.64
  6. Step 6: Final answer
    x = 4,901.13

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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.