Home / 6,814.08-10,214.76-2,656.80

Finding the Fourth Proportional to 6,814.08, 10,214.76 and 2,656.80

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Solution

The fourth proportional to 6,814.08, 10,214.76 and 2,656.80 is: 3,982.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,814.08 : 10,214.76 = 2,656.80 : x
  2. Step 2: Convert to fraction form
    6,814.08/10,214.76 = 2,656.80/x
  3. Step 3: Cross multiply
    6,814.08x = 10,214.76 × 2,656.80
  4. Step 4: Simplify right side
    6,814.08x = 27,138,574.37
  5. Step 5: Solve for x
    x = 27,138,574.37/6,814.08
  6. Step 6: Final answer
    x = 3,982.72

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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.