Home / 7,227.04-9,980.40-6,172.96

Finding the Fourth Proportional to 7,227.04, 9,980.40 and 6,172.96

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Solution

The fourth proportional to 7,227.04, 9,980.40 and 6,172.96 is: 8,524.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,227.04 : 9,980.40 = 6,172.96 : x
  2. Step 2: Convert to fraction form
    7,227.04/9,980.40 = 6,172.96/x
  3. Step 3: Cross multiply
    7,227.04x = 9,980.40 × 6,172.96
  4. Step 4: Simplify right side
    7,227.04x = 61,608,609.98
  5. Step 5: Solve for x
    x = 61,608,609.98/7,227.04
  6. Step 6: Final answer
    x = 8,524.74

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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.