Home / 6,911.20-10,366.79-1,717.08

Finding the Fourth Proportional to 6,911.20, 10,366.79 and 1,717.08

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Solution

The fourth proportional to 6,911.20, 10,366.79 and 1,717.08 is: 2,575.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911.20 : 10,366.79 = 1,717.08 : x
  2. Step 2: Convert to fraction form
    6,911.20/10,366.79 = 1,717.08/x
  3. Step 3: Cross multiply
    6,911.20x = 10,366.79 × 1,717.08
  4. Step 4: Simplify right side
    6,911.20x = 17,800,607.77
  5. Step 5: Solve for x
    x = 17,800,607.77/6,911.20
  6. Step 6: Final answer
    x = 2,575.62

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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.