Home / 5,181.51-7,772.13-1,483.65

Finding the Fourth Proportional to 5,181.51, 7,772.13 and 1,483.65

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Solution

The fourth proportional to 5,181.51, 7,772.13 and 1,483.65 is: 2,225.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.51 : 7,772.13 = 1,483.65 : x
  2. Step 2: Convert to fraction form
    5,181.51/7,772.13 = 1,483.65/x
  3. Step 3: Cross multiply
    5,181.51x = 7,772.13 × 1,483.65
  4. Step 4: Simplify right side
    5,181.51x = 11,531,120.67
  5. Step 5: Solve for x
    x = 11,531,120.67/5,181.51
  6. Step 6: Final answer
    x = 2,225.44

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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.