Home / 8,213.27-12,320.09-2,666.63

Finding the Fourth Proportional to 8,213.27, 12,320.09 and 2,666.63

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Solution

The fourth proportional to 8,213.27, 12,320.09 and 2,666.63 is: 4,000.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,213.27 : 12,320.09 = 2,666.63 : x
  2. Step 2: Convert to fraction form
    8,213.27/12,320.09 = 2,666.63/x
  3. Step 3: Cross multiply
    8,213.27x = 12,320.09 × 2,666.63
  4. Step 4: Simplify right side
    8,213.27x = 32,853,066.66
  5. Step 5: Solve for x
    x = 32,853,066.66/8,213.27
  6. Step 6: Final answer
    x = 4,000.00

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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.