Home / 7,279.47-10,045.44-4,092.68

Finding the Fourth Proportional to 7,279.47, 10,045.44 and 4,092.68

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Solution

The fourth proportional to 7,279.47, 10,045.44 and 4,092.68 is: 5,647.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279.47 : 10,045.44 = 4,092.68 : x
  2. Step 2: Convert to fraction form
    7,279.47/10,045.44 = 4,092.68/x
  3. Step 3: Cross multiply
    7,279.47x = 10,045.44 × 4,092.68
  4. Step 4: Simplify right side
    7,279.47x = 41,112,721.15
  5. Step 5: Solve for x
    x = 41,112,721.15/7,279.47
  6. Step 6: Final answer
    x = 5,647.76

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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.