Home / 9,458.40-13,047.60-5,731.68

Finding the Fourth Proportional to 9,458.40, 13,047.60 and 5,731.68

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Solution

The fourth proportional to 9,458.40, 13,047.60 and 5,731.68 is: 7,906.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,458.40 : 13,047.60 = 5,731.68 : x
  2. Step 2: Convert to fraction form
    9,458.40/13,047.60 = 5,731.68/x
  3. Step 3: Cross multiply
    9,458.40x = 13,047.60 × 5,731.68
  4. Step 4: Simplify right side
    9,458.40x = 74,784,667.97
  5. Step 5: Solve for x
    x = 74,784,667.97/9,458.40
  6. Step 6: Final answer
    x = 7,906.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.