Home / 7,587.36-11,375.88-3,887.10

Finding the Fourth Proportional to 7,587.36, 11,375.88 and 3,887.10

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Solution

The fourth proportional to 7,587.36, 11,375.88 and 3,887.10 is: 5,828.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,587.36 : 11,375.88 = 3,887.10 : x
  2. Step 2: Convert to fraction form
    7,587.36/11,375.88 = 3,887.10/x
  3. Step 3: Cross multiply
    7,587.36x = 11,375.88 × 3,887.10
  4. Step 4: Simplify right side
    7,587.36x = 44,219,183.15
  5. Step 5: Solve for x
    x = 44,219,183.15/7,587.36
  6. Step 6: Final answer
    x = 5,828.01

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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.