Home / 7,665.11-11,500.90-3,284.63

Finding the Fourth Proportional to 7,665.11, 11,500.90 and 3,284.63

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Solution

The fourth proportional to 7,665.11, 11,500.90 and 3,284.63 is: 4,928.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,665.11 : 11,500.90 = 3,284.63 : x
  2. Step 2: Convert to fraction form
    7,665.11/11,500.90 = 3,284.63/x
  3. Step 3: Cross multiply
    7,665.11x = 11,500.90 × 3,284.63
  4. Step 4: Simplify right side
    7,665.11x = 37,776,127.24
  5. Step 5: Solve for x
    x = 37,776,127.24/7,665.11
  6. Step 6: Final answer
    x = 4,928.32

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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.