Home / 6,579.70-9,080.64-3,927.10

Finding the Fourth Proportional to 6,579.70, 9,080.64 and 3,927.10

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Solution

The fourth proportional to 6,579.70, 9,080.64 and 3,927.10 is: 5,419.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,579.70 : 9,080.64 = 3,927.10 : x
  2. Step 2: Convert to fraction form
    6,579.70/9,080.64 = 3,927.10/x
  3. Step 3: Cross multiply
    6,579.70x = 9,080.64 × 3,927.10
  4. Step 4: Simplify right side
    6,579.70x = 35,660,581.34
  5. Step 5: Solve for x
    x = 35,660,581.34/6,579.70
  6. Step 6: Final answer
    x = 5,419.79

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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.