Home / 6,921.41-10,359.53-5,268.84

Finding the Fourth Proportional to 6,921.41, 10,359.53 and 5,268.84

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Solution

The fourth proportional to 6,921.41, 10,359.53 and 5,268.84 is: 7,886.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,921.41 : 10,359.53 = 5,268.84 : x
  2. Step 2: Convert to fraction form
    6,921.41/10,359.53 = 5,268.84/x
  3. Step 3: Cross multiply
    6,921.41x = 10,359.53 × 5,268.84
  4. Step 4: Simplify right side
    6,921.41x = 54,582,627.90
  5. Step 5: Solve for x
    x = 54,582,627.90/6,921.41
  6. Step 6: Final answer
    x = 7,886.06

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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.