Home / 4,298.60-6,439.62-3,647.72

Finding the Fourth Proportional to 4,298.60, 6,439.62 and 3,647.72

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Solution

The fourth proportional to 4,298.60, 6,439.62 and 3,647.72 is: 5,464.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,298.60 : 6,439.62 = 3,647.72 : x
  2. Step 2: Convert to fraction form
    4,298.60/6,439.62 = 3,647.72/x
  3. Step 3: Cross multiply
    4,298.60x = 6,439.62 × 3,647.72
  4. Step 4: Simplify right side
    4,298.60x = 23,489,930.67
  5. Step 5: Solve for x
    x = 23,489,930.67/4,298.60
  6. Step 6: Final answer
    x = 5,464.55

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1.5x scale

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.