Home / 4,281.18-6,421.95-2,091.84

Finding the Fourth Proportional to 4,281.18, 6,421.95 and 2,091.84

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Solution

The fourth proportional to 4,281.18, 6,421.95 and 2,091.84 is: 3,137.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,281.18 : 6,421.95 = 2,091.84 : x
  2. Step 2: Convert to fraction form
    4,281.18/6,421.95 = 2,091.84/x
  3. Step 3: Cross multiply
    4,281.18x = 6,421.95 × 2,091.84
  4. Step 4: Simplify right side
    4,281.18x = 13,433,691.89
  5. Step 5: Solve for x
    x = 13,433,691.89/4,281.18
  6. Step 6: Final answer
    x = 3,137.85

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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.