Home / 5,117.36-7,059.62-3,127.50

Finding the Fourth Proportional to 5,117.36, 7,059.62 and 3,127.50

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Solution

The fourth proportional to 5,117.36, 7,059.62 and 3,127.50 is: 4,314.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,117.36 : 7,059.62 = 3,127.50 : x
  2. Step 2: Convert to fraction form
    5,117.36/7,059.62 = 3,127.50/x
  3. Step 3: Cross multiply
    5,117.36x = 7,059.62 × 3,127.50
  4. Step 4: Simplify right side
    5,117.36x = 22,078,969.37
  5. Step 5: Solve for x
    x = 22,078,969.37/5,117.36
  6. Step 6: Final answer
    x = 4,314.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.