Home / 7,563.90-10,440.18-5,326.44

Finding the Fourth Proportional to 7,563.90, 10,440.18 and 5,326.44

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Solution

The fourth proportional to 7,563.90, 10,440.18 and 5,326.44 is: 7,351.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,563.90 : 10,440.18 = 5,326.44 : x
  2. Step 2: Convert to fraction form
    7,563.90/10,440.18 = 5,326.44/x
  3. Step 3: Cross multiply
    7,563.90x = 10,440.18 × 5,326.44
  4. Step 4: Simplify right side
    7,563.90x = 55,608,992.36
  5. Step 5: Solve for x
    x = 55,608,992.36/7,563.90
  6. Step 6: Final answer
    x = 7,351.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.