Home / 9,305.40-13,939.20-5,784.60

Finding the Fourth Proportional to 9,305.40, 13,939.20 and 5,784.60

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Solution

The fourth proportional to 9,305.40, 13,939.20 and 5,784.60 is: 8,665.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,305.40 : 13,939.20 = 5,784.60 : x
  2. Step 2: Convert to fraction form
    9,305.40/13,939.20 = 5,784.60/x
  3. Step 3: Cross multiply
    9,305.40x = 13,939.20 × 5,784.60
  4. Step 4: Simplify right side
    9,305.40x = 80,632,696.32
  5. Step 5: Solve for x
    x = 80,632,696.32/9,305.40
  6. Step 6: Final answer
    x = 8,665.15

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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.