Home / 7,306.50-10,953.60-2,921.57

Finding the Fourth Proportional to 7,306.50, 10,953.60 and 2,921.57

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Solution

The fourth proportional to 7,306.50, 10,953.60 and 2,921.57 is: 4,379.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,306.50 : 10,953.60 = 2,921.57 : x
  2. Step 2: Convert to fraction form
    7,306.50/10,953.60 = 2,921.57/x
  3. Step 3: Cross multiply
    7,306.50x = 10,953.60 × 2,921.57
  4. Step 4: Simplify right side
    7,306.50x = 32,001,654.38
  5. Step 5: Solve for x
    x = 32,001,654.38/7,306.50
  6. Step 6: Final answer
    x = 4,379.89

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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.