Home / 7,475.49-11,214.99-4,190.85

Finding the Fourth Proportional to 7,475.49, 11,214.99 and 4,190.85

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Solution

The fourth proportional to 7,475.49, 11,214.99 and 4,190.85 is: 6,287.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,475.49 : 11,214.99 = 4,190.85 : x
  2. Step 2: Convert to fraction form
    7,475.49/11,214.99 = 4,190.85/x
  3. Step 3: Cross multiply
    7,475.49x = 11,214.99 × 4,190.85
  4. Step 4: Simplify right side
    7,475.49x = 47,000,340.84
  5. Step 5: Solve for x
    x = 47,000,340.84/7,475.49
  6. Step 6: Final answer
    x = 6,287.26

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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.