Home / 8,206.10-12,309.15-3,011.30

Finding the Fourth Proportional to 8,206.10, 12,309.15 and 3,011.30

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Solution

The fourth proportional to 8,206.10, 12,309.15 and 3,011.30 is: 4,516.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,206.10 : 12,309.15 = 3,011.30 : x
  2. Step 2: Convert to fraction form
    8,206.10/12,309.15 = 3,011.30/x
  3. Step 3: Cross multiply
    8,206.10x = 12,309.15 × 3,011.30
  4. Step 4: Simplify right side
    8,206.10x = 37,066,543.40
  5. Step 5: Solve for x
    x = 37,066,543.40/8,206.10
  6. Step 6: Final answer
    x = 4,516.95

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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.