Home / 8,537.20-12,807.60-3,604.30

Finding the Fourth Proportional to 8,537.20, 12,807.60 and 3,604.30

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Solution

The fourth proportional to 8,537.20, 12,807.60 and 3,604.30 is: 5,407.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,537.20 : 12,807.60 = 3,604.30 : x
  2. Step 2: Convert to fraction form
    8,537.20/12,807.60 = 3,604.30/x
  3. Step 3: Cross multiply
    8,537.20x = 12,807.60 × 3,604.30
  4. Step 4: Simplify right side
    8,537.20x = 46,162,432.68
  5. Step 5: Solve for x
    x = 46,162,432.68/8,537.20
  6. Step 6: Final answer
    x = 5,407.21

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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.