Home / 9,390.09-12,958.22-5,141.10

Finding the Fourth Proportional to 9,390.09, 12,958.22 and 5,141.10

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Solution

The fourth proportional to 9,390.09, 12,958.22 and 5,141.10 is: 7,094.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,390.09 : 12,958.22 = 5,141.10 : x
  2. Step 2: Convert to fraction form
    9,390.09/12,958.22 = 5,141.10/x
  3. Step 3: Cross multiply
    9,390.09x = 12,958.22 × 5,141.10
  4. Step 4: Simplify right side
    9,390.09x = 66,619,479.14
  5. Step 5: Solve for x
    x = 66,619,479.14/9,390.09
  6. Step 6: Final answer
    x = 7,094.66

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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.