Home / 4,759.36-7,139.10-2,127

Finding the Fourth Proportional to 4,759.36, 7,139.10 and 2,127

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Solution

The fourth proportional to 4,759.36, 7,139.10 and 2,127 is: 3,190.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,759.36 : 7,139.10 = 2,127 : x
  2. Step 2: Convert to fraction form
    4,759.36/7,139.10 = 2,127/x
  3. Step 3: Cross multiply
    4,759.36x = 7,139.10 × 2,127
  4. Step 4: Simplify right side
    4,759.36x = 15,184,865.70
  5. Step 5: Solve for x
    x = 15,184,865.70/4,759.36
  6. Step 6: Final answer
    x = 3,190.53

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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.