Home / 7,279.27-10,918.82-5,133.29

Finding the Fourth Proportional to 7,279.27, 10,918.82 and 5,133.29

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Solution

The fourth proportional to 7,279.27, 10,918.82 and 5,133.29 is: 7,699.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279.27 : 10,918.82 = 5,133.29 : x
  2. Step 2: Convert to fraction form
    7,279.27/10,918.82 = 5,133.29/x
  3. Step 3: Cross multiply
    7,279.27x = 10,918.82 × 5,133.29
  4. Step 4: Simplify right side
    7,279.27x = 56,049,490.40
  5. Step 5: Solve for x
    x = 56,049,490.40/7,279.27
  6. Step 6: Final answer
    x = 7,699.88

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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.