Home / 7,020.44-10,530.84-5,379.92

Finding the Fourth Proportional to 7,020.44, 10,530.84 and 5,379.92

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Solution

The fourth proportional to 7,020.44, 10,530.84 and 5,379.92 is: 8,070.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,020.44 : 10,530.84 = 5,379.92 : x
  2. Step 2: Convert to fraction form
    7,020.44/10,530.84 = 5,379.92/x
  3. Step 3: Cross multiply
    7,020.44x = 10,530.84 × 5,379.92
  4. Step 4: Simplify right side
    7,020.44x = 56,655,076.73
  5. Step 5: Solve for x
    x = 56,655,076.73/7,020.44
  6. Step 6: Final answer
    x = 8,070.02

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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.