Home / 5,181.30-7,769.67-1,482.69

Finding the Fourth Proportional to 5,181.30, 7,769.67 and 1,482.69

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Solution

The fourth proportional to 5,181.30, 7,769.67 and 1,482.69 is: 2,223.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.30 : 7,769.67 = 1,482.69 : x
  2. Step 2: Convert to fraction form
    5,181.30/7,769.67 = 1,482.69/x
  3. Step 3: Cross multiply
    5,181.30x = 7,769.67 × 1,482.69
  4. Step 4: Simplify right side
    5,181.30x = 11,520,012.01
  5. Step 5: Solve for x
    x = 11,520,012.01/5,181.30
  6. Step 6: Final answer
    x = 2,223.38

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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.