Home / 7,088.37-10,625.61-2,642.78

Finding the Fourth Proportional to 7,088.37, 10,625.61 and 2,642.78

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Solution

The fourth proportional to 7,088.37, 10,625.61 and 2,642.78 is: 3,961.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,088.37 : 10,625.61 = 2,642.78 : x
  2. Step 2: Convert to fraction form
    7,088.37/10,625.61 = 2,642.78/x
  3. Step 3: Cross multiply
    7,088.37x = 10,625.61 × 2,642.78
  4. Step 4: Simplify right side
    7,088.37x = 28,081,149.60
  5. Step 5: Solve for x
    x = 28,081,149.60/7,088.37
  6. Step 6: Final answer
    x = 3,961.58

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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.