Home / 7,491.32-11,237.05-3,330.20

Finding the Fourth Proportional to 7,491.32, 11,237.05 and 3,330.20

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Solution

The fourth proportional to 7,491.32, 11,237.05 and 3,330.20 is: 4,995.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,491.32 : 11,237.05 = 3,330.20 : x
  2. Step 2: Convert to fraction form
    7,491.32/11,237.05 = 3,330.20/x
  3. Step 3: Cross multiply
    7,491.32x = 11,237.05 × 3,330.20
  4. Step 4: Simplify right side
    7,491.32x = 37,421,623.91
  5. Step 5: Solve for x
    x = 37,421,623.91/7,491.32
  6. Step 6: Final answer
    x = 4,995.33

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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.