Home / 4,230.57-6,336.60-2,147.00

Finding the Fourth Proportional to 4,230.57, 6,336.60 and 2,147.00

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Solution

The fourth proportional to 4,230.57, 6,336.60 and 2,147.00 is: 3,215.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,230.57 : 6,336.60 = 2,147.00 : x
  2. Step 2: Convert to fraction form
    4,230.57/6,336.60 = 2,147.00/x
  3. Step 3: Cross multiply
    4,230.57x = 6,336.60 × 2,147.00
  4. Step 4: Simplify right side
    4,230.57x = 13,604,648.52
  5. Step 5: Solve for x
    x = 13,604,648.52/4,230.57
  6. Step 6: Final answer
    x = 3,215.80

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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.