Home / 8,380.20-12,570.30-2,537.10

Finding the Fourth Proportional to 8,380.20, 12,570.30 and 2,537.10

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Solution

The fourth proportional to 8,380.20, 12,570.30 and 2,537.10 is: 3,805.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380.20 : 12,570.30 = 2,537.10 : x
  2. Step 2: Convert to fraction form
    8,380.20/12,570.30 = 2,537.10/x
  3. Step 3: Cross multiply
    8,380.20x = 12,570.30 × 2,537.10
  4. Step 4: Simplify right side
    8,380.20x = 31,892,108.13
  5. Step 5: Solve for x
    x = 31,892,108.13/8,380.20
  6. Step 6: Final answer
    x = 3,805.65

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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.