Home / 4,830.40-6,667-2,735.20

Finding the Fourth Proportional to 4,830.40, 6,667 and 2,735.20

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Solution

The fourth proportional to 4,830.40, 6,667 and 2,735.20 is: 3,775.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,830.40 : 6,667 = 2,735.20 : x
  2. Step 2: Convert to fraction form
    4,830.40/6,667 = 2,735.20/x
  3. Step 3: Cross multiply
    4,830.40x = 6,667 × 2,735.20
  4. Step 4: Simplify right side
    4,830.40x = 18,235,578.40
  5. Step 5: Solve for x
    x = 18,235,578.40/4,830.40
  6. Step 6: Final answer
    x = 3,775.17

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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.