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Finding the Fourth Proportional to 7,297.60, 10,956.54 and 5,071.19

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Solution

The fourth proportional to 7,297.60, 10,956.54 and 5,071.19 is: 7,613.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,297.60 : 10,956.54 = 5,071.19 : x
  2. Step 2: Convert to fraction form
    7,297.60/10,956.54 = 5,071.19/x
  3. Step 3: Cross multiply
    7,297.60x = 10,956.54 × 5,071.19
  4. Step 4: Simplify right side
    7,297.60x = 55,562,656.01
  5. Step 5: Solve for x
    x = 55,562,656.01/7,297.60
  6. Step 6: Final answer
    x = 7,613.83

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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.