Home / 5,538.70-8,307.96-1,643.14

Finding the Fourth Proportional to 5,538.70, 8,307.96 and 1,643.14

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Solution

The fourth proportional to 5,538.70, 8,307.96 and 1,643.14 is: 2,464.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,538.70 : 8,307.96 = 1,643.14 : x
  2. Step 2: Convert to fraction form
    5,538.70/8,307.96 = 1,643.14/x
  3. Step 3: Cross multiply
    5,538.70x = 8,307.96 × 1,643.14
  4. Step 4: Simplify right side
    5,538.70x = 13,651,141.39
  5. Step 5: Solve for x
    x = 13,651,141.39/5,538.70
  6. Step 6: Final answer
    x = 2,464.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.