Home / 8,456.20-12,685.10-2,300.20

Finding the Fourth Proportional to 8,456.20, 12,685.10 and 2,300.20

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Solution

The fourth proportional to 8,456.20, 12,685.10 and 2,300.20 is: 3,450.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,456.20 : 12,685.10 = 2,300.20 : x
  2. Step 2: Convert to fraction form
    8,456.20/12,685.10 = 2,300.20/x
  3. Step 3: Cross multiply
    8,456.20x = 12,685.10 × 2,300.20
  4. Step 4: Simplify right side
    8,456.20x = 29,178,267.02
  5. Step 5: Solve for x
    x = 29,178,267.02/8,456.20
  6. Step 6: Final answer
    x = 3,450.52

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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.