Home / 6,891.30-10,336.98-1,697.18

Finding the Fourth Proportional to 6,891.30, 10,336.98 and 1,697.18

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Solution

The fourth proportional to 6,891.30, 10,336.98 and 1,697.18 is: 2,545.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,891.30 : 10,336.98 = 1,697.18 : x
  2. Step 2: Convert to fraction form
    6,891.30/10,336.98 = 1,697.18/x
  3. Step 3: Cross multiply
    6,891.30x = 10,336.98 × 1,697.18
  4. Step 4: Simplify right side
    6,891.30x = 17,543,715.72
  5. Step 5: Solve for x
    x = 17,543,715.72/6,891.30
  6. Step 6: Final answer
    x = 2,545.78

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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.