Home / 6,943.36-9,579.10-4,286.15

Finding the Fourth Proportional to 6,943.36, 9,579.10 and 4,286.15

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Solution

The fourth proportional to 6,943.36, 9,579.10 and 4,286.15 is: 5,913.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,943.36 : 9,579.10 = 4,286.15 : x
  2. Step 2: Convert to fraction form
    6,943.36/9,579.10 = 4,286.15/x
  3. Step 3: Cross multiply
    6,943.36x = 9,579.10 × 4,286.15
  4. Step 4: Simplify right side
    6,943.36x = 41,057,459.47
  5. Step 5: Solve for x
    x = 41,057,459.47/6,943.36
  6. Step 6: Final answer
    x = 5,913.20

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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.