Home / 4,621.18-6,921-3,577.82

Finding the Fourth Proportional to 4,621.18, 6,921 and 3,577.82

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Solution

The fourth proportional to 4,621.18, 6,921 and 3,577.82 is: 5,358.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,621.18 : 6,921 = 3,577.82 : x
  2. Step 2: Convert to fraction form
    4,621.18/6,921 = 3,577.82/x
  3. Step 3: Cross multiply
    4,621.18x = 6,921 × 3,577.82
  4. Step 4: Simplify right side
    4,621.18x = 24,762,109.52
  5. Step 5: Solve for x
    x = 24,762,109.52/4,621.18
  6. Step 6: Final answer
    x = 5,358.40

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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.