Home / 7,189.20-10,783.08-2,258.70

Finding the Fourth Proportional to 7,189.20, 10,783.08 and 2,258.70

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Solution

The fourth proportional to 7,189.20, 10,783.08 and 2,258.70 is: 3,387.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189.20 : 10,783.08 = 2,258.70 : x
  2. Step 2: Convert to fraction form
    7,189.20/10,783.08 = 2,258.70/x
  3. Step 3: Cross multiply
    7,189.20x = 10,783.08 × 2,258.70
  4. Step 4: Simplify right side
    7,189.20x = 24,355,742.80
  5. Step 5: Solve for x
    x = 24,355,742.80/7,189.20
  6. Step 6: Final answer
    x = 3,387.82

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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.