Home / 5,166.06-7,748.28-1,878.68

Finding the Fourth Proportional to 5,166.06, 7,748.28 and 1,878.68

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Solution

The fourth proportional to 5,166.06, 7,748.28 and 1,878.68 is: 2,817.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,166.06 : 7,748.28 = 1,878.68 : x
  2. Step 2: Convert to fraction form
    5,166.06/7,748.28 = 1,878.68/x
  3. Step 3: Cross multiply
    5,166.06x = 7,748.28 × 1,878.68
  4. Step 4: Simplify right side
    5,166.06x = 14,556,499.93
  5. Step 5: Solve for x
    x = 14,556,499.93/5,166.06
  6. Step 6: Final answer
    x = 2,817.72

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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.