Home / 6,869.37-10,304.81-2,188.28

Finding the Fourth Proportional to 6,869.37, 10,304.81 and 2,188.28

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Solution

The fourth proportional to 6,869.37, 10,304.81 and 2,188.28 is: 3,282.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,869.37 : 10,304.81 = 2,188.28 : x
  2. Step 2: Convert to fraction form
    6,869.37/10,304.81 = 2,188.28/x
  3. Step 3: Cross multiply
    6,869.37x = 10,304.81 × 2,188.28
  4. Step 4: Simplify right side
    6,869.37x = 22,549,798.69
  5. Step 5: Solve for x
    x = 22,549,798.69/6,869.37
  6. Step 6: Final answer
    x = 3,282.66

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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.