Home / 6,867.42-10,300.60-2,187.70

Finding the Fourth Proportional to 6,867.42, 10,300.60 and 2,187.70

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Solution

The fourth proportional to 6,867.42, 10,300.60 and 2,187.70 is: 3,281.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,867.42 : 10,300.60 = 2,187.70 : x
  2. Step 2: Convert to fraction form
    6,867.42/10,300.60 = 2,187.70/x
  3. Step 3: Cross multiply
    6,867.42x = 10,300.60 × 2,187.70
  4. Step 4: Simplify right side
    6,867.42x = 22,534,571.12
  5. Step 5: Solve for x
    x = 22,534,571.12/6,867.42
  6. Step 6: Final answer
    x = 3,281.37

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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.