Home / 9,090.50-12,544.20-5,110.84

Finding the Fourth Proportional to 9,090.50, 12,544.20 and 5,110.84

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Solution

The fourth proportional to 9,090.50, 12,544.20 and 5,110.84 is: 7,052.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090.50 : 12,544.20 = 5,110.84 : x
  2. Step 2: Convert to fraction form
    9,090.50/12,544.20 = 5,110.84/x
  3. Step 3: Cross multiply
    9,090.50x = 12,544.20 × 5,110.84
  4. Step 4: Simplify right side
    9,090.50x = 64,111,399.13
  5. Step 5: Solve for x
    x = 64,111,399.13/9,090.50
  6. Step 6: Final answer
    x = 7,052.57

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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.