Home / 7,666.20-11,499.30-3,284.10

Finding the Fourth Proportional to 7,666.20, 11,499.30 and 3,284.10

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Solution

The fourth proportional to 7,666.20, 11,499.30 and 3,284.10 is: 4,926.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,666.20 : 11,499.30 = 3,284.10 : x
  2. Step 2: Convert to fraction form
    7,666.20/11,499.30 = 3,284.10/x
  3. Step 3: Cross multiply
    7,666.20x = 11,499.30 × 3,284.10
  4. Step 4: Simplify right side
    7,666.20x = 37,764,851.13
  5. Step 5: Solve for x
    x = 37,764,851.13/7,666.20
  6. Step 6: Final answer
    x = 4,926.15

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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.