Home / 9,321.48-13,980.33-4,389.75

Finding the Fourth Proportional to 9,321.48, 13,980.33 and 4,389.75

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Solution

The fourth proportional to 9,321.48, 13,980.33 and 4,389.75 is: 6,583.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,321.48 : 13,980.33 = 4,389.75 : x
  2. Step 2: Convert to fraction form
    9,321.48/13,980.33 = 4,389.75/x
  3. Step 3: Cross multiply
    9,321.48x = 13,980.33 × 4,389.75
  4. Step 4: Simplify right side
    9,321.48x = 61,370,153.62
  5. Step 5: Solve for x
    x = 61,370,153.62/9,321.48
  6. Step 6: Final answer
    x = 6,583.73

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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.