Home / 9,321.57-13,982.51-4,929.95

Finding the Fourth Proportional to 9,321.57, 13,982.51 and 4,929.95

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Solution

The fourth proportional to 9,321.57, 13,982.51 and 4,929.95 is: 7,395.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,321.57 : 13,982.51 = 4,929.95 : x
  2. Step 2: Convert to fraction form
    9,321.57/13,982.51 = 4,929.95/x
  3. Step 3: Cross multiply
    9,321.57x = 13,982.51 × 4,929.95
  4. Step 4: Simplify right side
    9,321.57x = 68,933,085.48
  5. Step 5: Solve for x
    x = 68,933,085.48/9,321.57
  6. Step 6: Final answer
    x = 7,395.01

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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.