Home / 6,789.40-10,193.70-5,330.20

Finding the Fourth Proportional to 6,789.40, 10,193.70 and 5,330.20

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Solution

The fourth proportional to 6,789.40, 10,193.70 and 5,330.20 is: 8,002.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789.40 : 10,193.70 = 5,330.20 : x
  2. Step 2: Convert to fraction form
    6,789.40/10,193.70 = 5,330.20/x
  3. Step 3: Cross multiply
    6,789.40x = 10,193.70 × 5,330.20
  4. Step 4: Simplify right side
    6,789.40x = 54,334,459.74
  5. Step 5: Solve for x
    x = 54,334,459.74/6,789.40
  6. Step 6: Final answer
    x = 8,002.84

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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.