Home / 7,449.26-10,279.99-4,092.30

Finding the Fourth Proportional to 7,449.26, 10,279.99 and 4,092.30

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Solution

The fourth proportional to 7,449.26, 10,279.99 and 4,092.30 is: 5,647.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,449.26 : 10,279.99 = 4,092.30 : x
  2. Step 2: Convert to fraction form
    7,449.26/10,279.99 = 4,092.30/x
  3. Step 3: Cross multiply
    7,449.26x = 10,279.99 × 4,092.30
  4. Step 4: Simplify right side
    7,449.26x = 42,068,803.08
  5. Step 5: Solve for x
    x = 42,068,803.08/7,449.26
  6. Step 6: Final answer
    x = 5,647.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.