Home / 4,690.20-6,464.98-3,177.30

Finding the Fourth Proportional to 4,690.20, 6,464.98 and 3,177.30

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Solution

The fourth proportional to 4,690.20, 6,464.98 and 3,177.30 is: 4,379.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,690.20 : 6,464.98 = 3,177.30 : x
  2. Step 2: Convert to fraction form
    4,690.20/6,464.98 = 3,177.30/x
  3. Step 3: Cross multiply
    4,690.20x = 6,464.98 × 3,177.30
  4. Step 4: Simplify right side
    4,690.20x = 20,541,177.58
  5. Step 5: Solve for x
    x = 20,541,177.58/4,690.20
  6. Step 6: Final answer
    x = 4,379.59

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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.