Home / 7,459.09-11,189.91-3,711.12

Finding the Fourth Proportional to 7,459.09, 11,189.91 and 3,711.12

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Solution

The fourth proportional to 7,459.09, 11,189.91 and 3,711.12 is: 5,567.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,459.09 : 11,189.91 = 3,711.12 : x
  2. Step 2: Convert to fraction form
    7,459.09/11,189.91 = 3,711.12/x
  3. Step 3: Cross multiply
    7,459.09x = 11,189.91 × 3,711.12
  4. Step 4: Simplify right side
    7,459.09x = 41,527,070.75
  5. Step 5: Solve for x
    x = 41,527,070.75/7,459.09
  6. Step 6: Final answer
    x = 5,567.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.