Home / 8,011.31-12,007.45-3,330.32

Finding the Fourth Proportional to 8,011.31, 12,007.45 and 3,330.32

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Solution

The fourth proportional to 8,011.31, 12,007.45 and 3,330.32 is: 4,991.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,011.31 : 12,007.45 = 3,330.32 : x
  2. Step 2: Convert to fraction form
    8,011.31/12,007.45 = 3,330.32/x
  3. Step 3: Cross multiply
    8,011.31x = 12,007.45 × 3,330.32
  4. Step 4: Simplify right side
    8,011.31x = 39,988,634.23
  5. Step 5: Solve for x
    x = 39,988,634.23/8,011.31
  6. Step 6: Final answer
    x = 4,991.52

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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.