Home / 5,330.51-7,996.25-1,381.76

Finding the Fourth Proportional to 5,330.51, 7,996.25 and 1,381.76

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Solution

The fourth proportional to 5,330.51, 7,996.25 and 1,381.76 is: 2,072.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,330.51 : 7,996.25 = 1,381.76 : x
  2. Step 2: Convert to fraction form
    5,330.51/7,996.25 = 1,381.76/x
  3. Step 3: Cross multiply
    5,330.51x = 7,996.25 × 1,381.76
  4. Step 4: Simplify right side
    5,330.51x = 11,048,891.86
  5. Step 5: Solve for x
    x = 11,048,891.86/5,330.51
  6. Step 6: Final answer
    x = 2,072.76

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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.