Home / 6,901.80-10,353.40-2,220.60

Finding the Fourth Proportional to 6,901.80, 10,353.40 and 2,220.60

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Solution

The fourth proportional to 6,901.80, 10,353.40 and 2,220.60 is: 3,331.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,901.80 : 10,353.40 = 2,220.60 : x
  2. Step 2: Convert to fraction form
    6,901.80/10,353.40 = 2,220.60/x
  3. Step 3: Cross multiply
    6,901.80x = 10,353.40 × 2,220.60
  4. Step 4: Simplify right side
    6,901.80x = 22,990,760.04
  5. Step 5: Solve for x
    x = 22,990,760.04/6,901.80
  6. Step 6: Final answer
    x = 3,331.13

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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.