Home / 7,084.72-10,636.80-4,499.20

Finding the Fourth Proportional to 7,084.72, 10,636.80 and 4,499.20

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Solution

The fourth proportional to 7,084.72, 10,636.80 and 4,499.20 is: 6,754.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,084.72 : 10,636.80 = 4,499.20 : x
  2. Step 2: Convert to fraction form
    7,084.72/10,636.80 = 4,499.20/x
  3. Step 3: Cross multiply
    7,084.72x = 10,636.80 × 4,499.20
  4. Step 4: Simplify right side
    7,084.72x = 47,857,090.56
  5. Step 5: Solve for x
    x = 47,857,090.56/7,084.72
  6. Step 6: Final answer
    x = 6,754.97

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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.