Home / 6,839.04-10,259.94-2,159.78

Finding the Fourth Proportional to 6,839.04, 10,259.94 and 2,159.78

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Solution

The fourth proportional to 6,839.04, 10,259.94 and 2,159.78 is: 3,240.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,839.04 : 10,259.94 = 2,159.78 : x
  2. Step 2: Convert to fraction form
    6,839.04/10,259.94 = 2,159.78/x
  3. Step 3: Cross multiply
    6,839.04x = 10,259.94 × 2,159.78
  4. Step 4: Simplify right side
    6,839.04x = 22,159,161.91
  5. Step 5: Solve for x
    x = 22,159,161.91/6,839.04
  6. Step 6: Final answer
    x = 3,240.10

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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.