Home / 7,893.36-10,886.20-5,908.60

Finding the Fourth Proportional to 7,893.36, 10,886.20 and 5,908.60

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Solution

The fourth proportional to 7,893.36, 10,886.20 and 5,908.60 is: 8,148.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,893.36 : 10,886.20 = 5,908.60 : x
  2. Step 2: Convert to fraction form
    7,893.36/10,886.20 = 5,908.60/x
  3. Step 3: Cross multiply
    7,893.36x = 10,886.20 × 5,908.60
  4. Step 4: Simplify right side
    7,893.36x = 64,322,201.32
  5. Step 5: Solve for x
    x = 64,322,201.32/7,893.36
  6. Step 6: Final answer
    x = 8,148.90

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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.