Home / 5,005.80-7,499.70-2,924.10

Finding the Fourth Proportional to 5,005.80, 7,499.70 and 2,924.10

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Solution

The fourth proportional to 5,005.80, 7,499.70 and 2,924.10 is: 4,380.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,005.80 : 7,499.70 = 2,924.10 : x
  2. Step 2: Convert to fraction form
    5,005.80/7,499.70 = 2,924.10/x
  3. Step 3: Cross multiply
    5,005.80x = 7,499.70 × 2,924.10
  4. Step 4: Simplify right side
    5,005.80x = 21,929,872.77
  5. Step 5: Solve for x
    x = 21,929,872.77/5,005.80
  6. Step 6: Final answer
    x = 4,380.89

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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.