Home / 8,206.17-11,314.62-5,690.43

Finding the Fourth Proportional to 8,206.17, 11,314.62 and 5,690.43

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Solution

The fourth proportional to 8,206.17, 11,314.62 and 5,690.43 is: 7,845.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,206.17 : 11,314.62 = 5,690.43 : x
  2. Step 2: Convert to fraction form
    8,206.17/11,314.62 = 5,690.43/x
  3. Step 3: Cross multiply
    8,206.17x = 11,314.62 × 5,690.43
  4. Step 4: Simplify right side
    8,206.17x = 64,385,053.09
  5. Step 5: Solve for x
    x = 64,385,053.09/8,206.17
  6. Step 6: Final answer
    x = 7,845.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.