Home / 9,287.28-13,930.92-4,093.20

Finding the Fourth Proportional to 9,287.28, 13,930.92 and 4,093.20

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Solution

The fourth proportional to 9,287.28, 13,930.92 and 4,093.20 is: 6,139.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,287.28 : 13,930.92 = 4,093.20 : x
  2. Step 2: Convert to fraction form
    9,287.28/13,930.92 = 4,093.20/x
  3. Step 3: Cross multiply
    9,287.28x = 13,930.92 × 4,093.20
  4. Step 4: Simplify right side
    9,287.28x = 57,022,041.74
  5. Step 5: Solve for x
    x = 57,022,041.74/9,287.28
  6. Step 6: Final answer
    x = 6,139.80

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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.