Home / 4,311.76-6,468.58-1,538.58

Finding the Fourth Proportional to 4,311.76, 6,468.58 and 1,538.58

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Solution

The fourth proportional to 4,311.76, 6,468.58 and 1,538.58 is: 2,308.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.76 : 6,468.58 = 1,538.58 : x
  2. Step 2: Convert to fraction form
    4,311.76/6,468.58 = 1,538.58/x
  3. Step 3: Cross multiply
    4,311.76x = 6,468.58 × 1,538.58
  4. Step 4: Simplify right side
    4,311.76x = 9,952,427.82
  5. Step 5: Solve for x
    x = 9,952,427.82/4,311.76
  6. Step 6: Final answer
    x = 2,308.21

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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.