Home / 4,857.48-7,281.36-2,085.96

Finding the Fourth Proportional to 4,857.48, 7,281.36 and 2,085.96

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Solution

The fourth proportional to 4,857.48, 7,281.36 and 2,085.96 is: 3,126.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,857.48 : 7,281.36 = 2,085.96 : x
  2. Step 2: Convert to fraction form
    4,857.48/7,281.36 = 2,085.96/x
  3. Step 3: Cross multiply
    4,857.48x = 7,281.36 × 2,085.96
  4. Step 4: Simplify right side
    4,857.48x = 15,188,625.71
  5. Step 5: Solve for x
    x = 15,188,625.71/4,857.48
  6. Step 6: Final answer
    x = 3,126.85

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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.