Home / 7,189.80-10,784.52-2,258.76

Finding the Fourth Proportional to 7,189.80, 10,784.52 and 2,258.76

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Solution

The fourth proportional to 7,189.80, 10,784.52 and 2,258.76 is: 3,388.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,189.80 : 10,784.52 = 2,258.76 : x
  2. Step 2: Convert to fraction form
    7,189.80/10,784.52 = 2,258.76/x
  3. Step 3: Cross multiply
    7,189.80x = 10,784.52 × 2,258.76
  4. Step 4: Simplify right side
    7,189.80x = 24,359,642.40
  5. Step 5: Solve for x
    x = 24,359,642.40/7,189.80
  6. Step 6: Final answer
    x = 3,388.08

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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.