Home / 7,009.44-10,520.64-3,549.12

Finding the Fourth Proportional to 7,009.44, 10,520.64 and 3,549.12

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Solution

The fourth proportional to 7,009.44, 10,520.64 and 3,549.12 is: 5,326.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,009.44 : 10,520.64 = 3,549.12 : x
  2. Step 2: Convert to fraction form
    7,009.44/10,520.64 = 3,549.12/x
  3. Step 3: Cross multiply
    7,009.44x = 10,520.64 × 3,549.12
  4. Step 4: Simplify right side
    7,009.44x = 37,339,013.84
  5. Step 5: Solve for x
    x = 37,339,013.84/7,009.44
  6. Step 6: Final answer
    x = 5,326.96

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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.