Home / 6,814.91-10,220.38-2,653.99

Finding the Fourth Proportional to 6,814.91, 10,220.38 and 2,653.99

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Solution

The fourth proportional to 6,814.91, 10,220.38 and 2,653.99 is: 3,980.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,814.91 : 10,220.38 = 2,653.99 : x
  2. Step 2: Convert to fraction form
    6,814.91/10,220.38 = 2,653.99/x
  3. Step 3: Cross multiply
    6,814.91x = 10,220.38 × 2,653.99
  4. Step 4: Simplify right side
    6,814.91x = 27,124,754.13
  5. Step 5: Solve for x
    x = 27,124,754.13/6,814.91
  6. Step 6: Final answer
    x = 3,980.21

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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.