Home / 4,155.20-6,235.75-2,307.79

Finding the Fourth Proportional to 4,155.20, 6,235.75 and 2,307.79

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Solution

The fourth proportional to 4,155.20, 6,235.75 and 2,307.79 is: 3,463.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,155.20 : 6,235.75 = 2,307.79 : x
  2. Step 2: Convert to fraction form
    4,155.20/6,235.75 = 2,307.79/x
  3. Step 3: Cross multiply
    4,155.20x = 6,235.75 × 2,307.79
  4. Step 4: Simplify right side
    4,155.20x = 14,390,812.17
  5. Step 5: Solve for x
    x = 14,390,812.17/4,155.20
  6. Step 6: Final answer
    x = 3,463.33

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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.