Home / 6,869.60-10,304.98-2,190.28

Finding the Fourth Proportional to 6,869.60, 10,304.98 and 2,190.28

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Solution

The fourth proportional to 6,869.60, 10,304.98 and 2,190.28 is: 3,285.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,869.60 : 10,304.98 = 2,190.28 : x
  2. Step 2: Convert to fraction form
    6,869.60/10,304.98 = 2,190.28/x
  3. Step 3: Cross multiply
    6,869.60x = 10,304.98 × 2,190.28
  4. Step 4: Simplify right side
    6,869.60x = 22,570,740.07
  5. Step 5: Solve for x
    x = 22,570,740.07/6,869.60
  6. Step 6: Final answer
    x = 3,285.60

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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.