Home / 5,159.90-7,735.95-2,564.66

Finding the Fourth Proportional to 5,159.90, 7,735.95 and 2,564.66

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Solution

The fourth proportional to 5,159.90, 7,735.95 and 2,564.66 is: 3,845.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,159.90 : 7,735.95 = 2,564.66 : x
  2. Step 2: Convert to fraction form
    5,159.90/7,735.95 = 2,564.66/x
  3. Step 3: Cross multiply
    5,159.90x = 7,735.95 × 2,564.66
  4. Step 4: Simplify right side
    5,159.90x = 19,840,081.53
  5. Step 5: Solve for x
    x = 19,840,081.53/5,159.90
  6. Step 6: Final answer
    x = 3,845.05

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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.