Home / 7,331.12-10,984.80-4,411.88

Finding the Fourth Proportional to 7,331.12, 10,984.80 and 4,411.88

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Solution

The fourth proportional to 7,331.12, 10,984.80 and 4,411.88 is: 6,610.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,331.12 : 10,984.80 = 4,411.88 : x
  2. Step 2: Convert to fraction form
    7,331.12/10,984.80 = 4,411.88/x
  3. Step 3: Cross multiply
    7,331.12x = 10,984.80 × 4,411.88
  4. Step 4: Simplify right side
    7,331.12x = 48,463,619.42
  5. Step 5: Solve for x
    x = 48,463,619.42/7,331.12
  6. Step 6: Final answer
    x = 6,610.67

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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.