Home / 5,235.84-7,849.31-2,312.55

Finding the Fourth Proportional to 5,235.84, 7,849.31 and 2,312.55

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Solution

The fourth proportional to 5,235.84, 7,849.31 and 2,312.55 is: 3,466.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,235.84 : 7,849.31 = 2,312.55 : x
  2. Step 2: Convert to fraction form
    5,235.84/7,849.31 = 2,312.55/x
  3. Step 3: Cross multiply
    5,235.84x = 7,849.31 × 2,312.55
  4. Step 4: Simplify right side
    5,235.84x = 18,151,910.28
  5. Step 5: Solve for x
    x = 18,151,910.28/5,235.84
  6. Step 6: Final answer
    x = 3,466.86

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1.5x scale

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.