Home / 4,212.08-5,811.88-2,642.32

Finding the Fourth Proportional to 4,212.08, 5,811.88 and 2,642.32

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Solution

The fourth proportional to 4,212.08, 5,811.88 and 2,642.32 is: 3,645.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,212.08 : 5,811.88 = 2,642.32 : x
  2. Step 2: Convert to fraction form
    4,212.08/5,811.88 = 2,642.32/x
  3. Step 3: Cross multiply
    4,212.08x = 5,811.88 × 2,642.32
  4. Step 4: Simplify right side
    4,212.08x = 15,356,846.76
  5. Step 5: Solve for x
    x = 15,356,846.76/4,212.08
  6. Step 6: Final answer
    x = 3,645.91

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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.