Home / 7,476.04-11,220.96-3,780.82

Finding the Fourth Proportional to 7,476.04, 11,220.96 and 3,780.82

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Solution

The fourth proportional to 7,476.04, 11,220.96 and 3,780.82 is: 5,674.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,476.04 : 11,220.96 = 3,780.82 : x
  2. Step 2: Convert to fraction form
    7,476.04/11,220.96 = 3,780.82/x
  3. Step 3: Cross multiply
    7,476.04x = 11,220.96 × 3,780.82
  4. Step 4: Simplify right side
    7,476.04x = 42,424,429.99
  5. Step 5: Solve for x
    x = 42,424,429.99/7,476.04
  6. Step 6: Final answer
    x = 5,674.72

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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.