Home / 5,140.82-7,713.93-2,802.50

Finding the Fourth Proportional to 5,140.82, 7,713.93 and 2,802.50

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Solution

The fourth proportional to 5,140.82, 7,713.93 and 2,802.50 is: 4,205.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,140.82 : 7,713.93 = 2,802.50 : x
  2. Step 2: Convert to fraction form
    5,140.82/7,713.93 = 2,802.50/x
  3. Step 3: Cross multiply
    5,140.82x = 7,713.93 × 2,802.50
  4. Step 4: Simplify right side
    5,140.82x = 21,618,288.83
  5. Step 5: Solve for x
    x = 21,618,288.83/5,140.82
  6. Step 6: Final answer
    x = 4,205.22

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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.