Home / 5,377.69-7,421.12-3,281.82

Finding the Fourth Proportional to 5,377.69, 7,421.12 and 3,281.82

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Solution

The fourth proportional to 5,377.69, 7,421.12 and 3,281.82 is: 4,528.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,377.69 : 7,421.12 = 3,281.82 : x
  2. Step 2: Convert to fraction form
    5,377.69/7,421.12 = 3,281.82/x
  3. Step 3: Cross multiply
    5,377.69x = 7,421.12 × 3,281.82
  4. Step 4: Simplify right side
    5,377.69x = 24,354,748.11
  5. Step 5: Solve for x
    x = 24,354,748.11/5,377.69
  6. Step 6: Final answer
    x = 4,528.85

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.