Home / 9,090.58-12,544.32-5,110.92

Finding the Fourth Proportional to 9,090.58, 12,544.32 and 5,110.92

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Solution

The fourth proportional to 9,090.58, 12,544.32 and 5,110.92 is: 7,052.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090.58 : 12,544.32 = 5,110.92 : x
  2. Step 2: Convert to fraction form
    9,090.58/12,544.32 = 5,110.92/x
  3. Step 3: Cross multiply
    9,090.58x = 12,544.32 × 5,110.92
  4. Step 4: Simplify right side
    9,090.58x = 64,113,015.97
  5. Step 5: Solve for x
    x = 64,113,015.97/9,090.58
  6. Step 6: Final answer
    x = 7,052.69

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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.