Home / 7,518.01-11,279.60-2,839.36

Finding the Fourth Proportional to 7,518.01, 11,279.60 and 2,839.36

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Solution

The fourth proportional to 7,518.01, 11,279.60 and 2,839.36 is: 4,260.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,518.01 : 11,279.60 = 2,839.36 : x
  2. Step 2: Convert to fraction form
    7,518.01/11,279.60 = 2,839.36/x
  3. Step 3: Cross multiply
    7,518.01x = 11,279.60 × 2,839.36
  4. Step 4: Simplify right side
    7,518.01x = 32,026,845.06
  5. Step 5: Solve for x
    x = 32,026,845.06/7,518.01
  6. Step 6: Final answer
    x = 4,260.02

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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.