Home / 5,181.68-7,772.79-1,484.45

Finding the Fourth Proportional to 5,181.68, 7,772.79 and 1,484.45

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Solution

The fourth proportional to 5,181.68, 7,772.79 and 1,484.45 is: 2,226.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.68 : 7,772.79 = 1,484.45 : x
  2. Step 2: Convert to fraction form
    5,181.68/7,772.79 = 1,484.45/x
  3. Step 3: Cross multiply
    5,181.68x = 7,772.79 × 1,484.45
  4. Step 4: Simplify right side
    5,181.68x = 11,538,279.25
  5. Step 5: Solve for x
    x = 11,538,279.25/5,181.68
  6. Step 6: Final answer
    x = 2,226.75

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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.