Home / 7,340.88-11,011.32-3,239.76

Finding the Fourth Proportional to 7,340.88, 11,011.32 and 3,239.76

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Solution

The fourth proportional to 7,340.88, 11,011.32 and 3,239.76 is: 4,859.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340.88 : 11,011.32 = 3,239.76 : x
  2. Step 2: Convert to fraction form
    7,340.88/11,011.32 = 3,239.76/x
  3. Step 3: Cross multiply
    7,340.88x = 11,011.32 × 3,239.76
  4. Step 4: Simplify right side
    7,340.88x = 35,674,034.08
  5. Step 5: Solve for x
    x = 35,674,034.08/7,340.88
  6. Step 6: Final answer
    x = 4,859.64

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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.