Home / 7,387.80-11,059.75-4,457.22

Finding the Fourth Proportional to 7,387.80, 11,059.75 and 4,457.22

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Solution

The fourth proportional to 7,387.80, 11,059.75 and 4,457.22 is: 6,672.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,387.80 : 11,059.75 = 4,457.22 : x
  2. Step 2: Convert to fraction form
    7,387.80/11,059.75 = 4,457.22/x
  3. Step 3: Cross multiply
    7,387.80x = 11,059.75 × 4,457.22
  4. Step 4: Simplify right side
    7,387.80x = 49,295,738.90
  5. Step 5: Solve for x
    x = 49,295,738.90/7,387.80
  6. Step 6: Final answer
    x = 6,672.59

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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.