Home / 9,324.87-13,980.47-4,391.75

Finding the Fourth Proportional to 9,324.87, 13,980.47 and 4,391.75

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Solution

The fourth proportional to 9,324.87, 13,980.47 and 4,391.75 is: 6,584.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,324.87 : 13,980.47 = 4,391.75 : x
  2. Step 2: Convert to fraction form
    9,324.87/13,980.47 = 4,391.75/x
  3. Step 3: Cross multiply
    9,324.87x = 13,980.47 × 4,391.75
  4. Step 4: Simplify right side
    9,324.87x = 61,398,637.26
  5. Step 5: Solve for x
    x = 61,398,637.26/9,324.87
  6. Step 6: Final answer
    x = 6,584.40

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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.