Home / 7,027.20-9,711.36-5,766.30

Finding the Fourth Proportional to 7,027.20, 9,711.36 and 5,766.30

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Solution

The fourth proportional to 7,027.20, 9,711.36 and 5,766.30 is: 7,968.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,027.20 : 9,711.36 = 5,766.30 : x
  2. Step 2: Convert to fraction form
    7,027.20/9,711.36 = 5,766.30/x
  3. Step 3: Cross multiply
    7,027.20x = 9,711.36 × 5,766.30
  4. Step 4: Simplify right side
    7,027.20x = 55,998,615.17
  5. Step 5: Solve for x
    x = 55,998,615.17/7,027.20
  6. Step 6: Final answer
    x = 7,968.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.