Home / 5,181.18-7,770.09-1,717.50

Finding the Fourth Proportional to 5,181.18, 7,770.09 and 1,717.50

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Solution

The fourth proportional to 5,181.18, 7,770.09 and 1,717.50 is: 2,575.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.18 : 7,770.09 = 1,717.50 : x
  2. Step 2: Convert to fraction form
    5,181.18/7,770.09 = 1,717.50/x
  3. Step 3: Cross multiply
    5,181.18x = 7,770.09 × 1,717.50
  4. Step 4: Simplify right side
    5,181.18x = 13,345,129.58
  5. Step 5: Solve for x
    x = 13,345,129.58/5,181.18
  6. Step 6: Final answer
    x = 2,575.69

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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.