Home / 6,809.42-10,214.50-2,130.08

Finding the Fourth Proportional to 6,809.42, 10,214.50 and 2,130.08

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Solution

The fourth proportional to 6,809.42, 10,214.50 and 2,130.08 is: 3,195.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,809.42 : 10,214.50 = 2,130.08 : x
  2. Step 2: Convert to fraction form
    6,809.42/10,214.50 = 2,130.08/x
  3. Step 3: Cross multiply
    6,809.42x = 10,214.50 × 2,130.08
  4. Step 4: Simplify right side
    6,809.42x = 21,757,702.16
  5. Step 5: Solve for x
    x = 21,757,702.16/6,809.42
  6. Step 6: Final answer
    x = 3,195.24

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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.