Home / 7,279.26-10,918.90-4,829.70

Finding the Fourth Proportional to 7,279.26, 10,918.90 and 4,829.70

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Solution

The fourth proportional to 7,279.26, 10,918.90 and 4,829.70 is: 7,244.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279.26 : 10,918.90 = 4,829.70 : x
  2. Step 2: Convert to fraction form
    7,279.26/10,918.90 = 4,829.70/x
  3. Step 3: Cross multiply
    7,279.26x = 10,918.90 × 4,829.70
  4. Step 4: Simplify right side
    7,279.26x = 52,735,011.33
  5. Step 5: Solve for x
    x = 52,735,011.33/7,279.26
  6. Step 6: Final answer
    x = 7,244.56

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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.