Home / 9,090.12-12,543.66-5,110.46

Finding the Fourth Proportional to 9,090.12, 12,543.66 and 5,110.46

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Solution

The fourth proportional to 9,090.12, 12,543.66 and 5,110.46 is: 7,052.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,090.12 : 12,543.66 = 5,110.46 : x
  2. Step 2: Convert to fraction form
    9,090.12/12,543.66 = 5,110.46/x
  3. Step 3: Cross multiply
    9,090.12x = 12,543.66 × 5,110.46
  4. Step 4: Simplify right side
    9,090.12x = 64,103,872.68
  5. Step 5: Solve for x
    x = 64,103,872.68/9,090.12
  6. Step 6: Final answer
    x = 7,052.04

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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.