Home / 6,917.40-10,378.80-2,535.30

Finding the Fourth Proportional to 6,917.40, 10,378.80 and 2,535.30

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Solution

The fourth proportional to 6,917.40, 10,378.80 and 2,535.30 is: 3,803.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,917.40 : 10,378.80 = 2,535.30 : x
  2. Step 2: Convert to fraction form
    6,917.40/10,378.80 = 2,535.30/x
  3. Step 3: Cross multiply
    6,917.40x = 10,378.80 × 2,535.30
  4. Step 4: Simplify right side
    6,917.40x = 26,313,371.64
  5. Step 5: Solve for x
    x = 26,313,371.64/6,917.40
  6. Step 6: Final answer
    x = 3,803.94

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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.