Home / 6,806.90-10,210.35-2,911.70

Finding the Fourth Proportional to 6,806.90, 10,210.35 and 2,911.70

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Solution

The fourth proportional to 6,806.90, 10,210.35 and 2,911.70 is: 4,367.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,806.90 : 10,210.35 = 2,911.70 : x
  2. Step 2: Convert to fraction form
    6,806.90/10,210.35 = 2,911.70/x
  3. Step 3: Cross multiply
    6,806.90x = 10,210.35 × 2,911.70
  4. Step 4: Simplify right side
    6,806.90x = 29,729,476.10
  5. Step 5: Solve for x
    x = 29,729,476.10/6,806.90
  6. Step 6: Final answer
    x = 4,367.55

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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.