Home / 6,806.18-10,210.20-2,126.60

Finding the Fourth Proportional to 6,806.18, 10,210.20 and 2,126.60

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Solution

The fourth proportional to 6,806.18, 10,210.20 and 2,126.60 is: 3,190.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,806.18 : 10,210.20 = 2,126.60 : x
  2. Step 2: Convert to fraction form
    6,806.18/10,210.20 = 2,126.60/x
  3. Step 3: Cross multiply
    6,806.18x = 10,210.20 × 2,126.60
  4. Step 4: Simplify right side
    6,806.18x = 21,713,011.32
  5. Step 5: Solve for x
    x = 21,713,011.32/6,806.18
  6. Step 6: Final answer
    x = 3,190.19

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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.