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Finding the Fourth Proportional to 5,139.09, 7,095 and 3,373.79

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Solution

The fourth proportional to 5,139.09, 7,095 and 3,373.79 is: 4,657.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,139.09 : 7,095 = 3,373.79 : x
  2. Step 2: Convert to fraction form
    5,139.09/7,095 = 3,373.79/x
  3. Step 3: Cross multiply
    5,139.09x = 7,095 × 3,373.79
  4. Step 4: Simplify right side
    5,139.09x = 23,937,040.05
  5. Step 5: Solve for x
    x = 23,937,040.05/5,139.09
  6. Step 6: Final answer
    x = 4,657.84

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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.