Home / 9,283.36-12,811.52-5,091.68

Finding the Fourth Proportional to 9,283.36, 12,811.52 and 5,091.68

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Solution

The fourth proportional to 9,283.36, 12,811.52 and 5,091.68 is: 7,026.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,283.36 : 12,811.52 = 5,091.68 : x
  2. Step 2: Convert to fraction form
    9,283.36/12,811.52 = 5,091.68/x
  3. Step 3: Cross multiply
    9,283.36x = 12,811.52 × 5,091.68
  4. Step 4: Simplify right side
    9,283.36x = 65,232,160.15
  5. Step 5: Solve for x
    x = 65,232,160.15/9,283.36
  6. Step 6: Final answer
    x = 7,026.78

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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.