Home / 6,839.02-10,259.55-2,158.54

Finding the Fourth Proportional to 6,839.02, 10,259.55 and 2,158.54

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Solution

The fourth proportional to 6,839.02, 10,259.55 and 2,158.54 is: 3,238.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,839.02 : 10,259.55 = 2,158.54 : x
  2. Step 2: Convert to fraction form
    6,839.02/10,259.55 = 2,158.54/x
  3. Step 3: Cross multiply
    6,839.02x = 10,259.55 × 2,158.54
  4. Step 4: Simplify right side
    6,839.02x = 22,145,649.06
  5. Step 5: Solve for x
    x = 22,145,649.06/6,839.02
  6. Step 6: Final answer
    x = 3,238.13

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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.