Home / 4,651.20-6,421.76-2,885.44

Finding the Fourth Proportional to 4,651.20, 6,421.76 and 2,885.44

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Solution

The fourth proportional to 4,651.20, 6,421.76 and 2,885.44 is: 3,983.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,651.20 : 6,421.76 = 2,885.44 : x
  2. Step 2: Convert to fraction form
    4,651.20/6,421.76 = 2,885.44/x
  3. Step 3: Cross multiply
    4,651.20x = 6,421.76 × 2,885.44
  4. Step 4: Simplify right side
    4,651.20x = 18,529,603.17
  5. Step 5: Solve for x
    x = 18,529,603.17/4,651.20
  6. Step 6: Final answer
    x = 3,983.83

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1.5x scale

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.