Home / 4,147.60-6,216.36-2,585.20

Finding the Fourth Proportional to 4,147.60, 6,216.36 and 2,585.20

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Solution

The fourth proportional to 4,147.60, 6,216.36 and 2,585.20 is: 3,874.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.60 : 6,216.36 = 2,585.20 : x
  2. Step 2: Convert to fraction form
    4,147.60/6,216.36 = 2,585.20/x
  3. Step 3: Cross multiply
    4,147.60x = 6,216.36 × 2,585.20
  4. Step 4: Simplify right side
    4,147.60x = 16,070,533.87
  5. Step 5: Solve for x
    x = 16,070,533.87/4,147.60
  6. Step 6: Final answer
    x = 3,874.66

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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.