Home / 9,358.64-12,917.40-5,819.84

Finding the Fourth Proportional to 9,358.64, 12,917.40 and 5,819.84

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Solution

The fourth proportional to 9,358.64, 12,917.40 and 5,819.84 is: 8,032.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,358.64 : 12,917.40 = 5,819.84 : x
  2. Step 2: Convert to fraction form
    9,358.64/12,917.40 = 5,819.84/x
  3. Step 3: Cross multiply
    9,358.64x = 12,917.40 × 5,819.84
  4. Step 4: Simplify right side
    9,358.64x = 75,177,201.22
  5. Step 5: Solve for x
    x = 75,177,201.22/9,358.64
  6. Step 6: Final answer
    x = 8,032.92

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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.