Home / 7,459.37-11,168.18-3,988.97

Finding the Fourth Proportional to 7,459.37, 11,168.18 and 3,988.97

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Solution

The fourth proportional to 7,459.37, 11,168.18 and 3,988.97 is: 5,972.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,459.37 : 11,168.18 = 3,988.97 : x
  2. Step 2: Convert to fraction form
    7,459.37/11,168.18 = 3,988.97/x
  3. Step 3: Cross multiply
    7,459.37x = 11,168.18 × 3,988.97
  4. Step 4: Simplify right side
    7,459.37x = 44,549,515.03
  5. Step 5: Solve for x
    x = 44,549,515.03/7,459.37
  6. Step 6: Final answer
    x = 5,972.29

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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.