Home / 7,279.84-10,046.40-4,093.60

Finding the Fourth Proportional to 7,279.84, 10,046.40 and 4,093.60

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Solution

The fourth proportional to 7,279.84, 10,046.40 and 4,093.60 is: 5,649.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,279.84 : 10,046.40 = 4,093.60 : x
  2. Step 2: Convert to fraction form
    7,279.84/10,046.40 = 4,093.60/x
  3. Step 3: Cross multiply
    7,279.84x = 10,046.40 × 4,093.60
  4. Step 4: Simplify right side
    7,279.84x = 41,125,943.04
  5. Step 5: Solve for x
    x = 41,125,943.04/7,279.84
  6. Step 6: Final answer
    x = 5,649.29

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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.