Home / 4,788.32-7,184.86-2,157.66

Finding the Fourth Proportional to 4,788.32, 7,184.86 and 2,157.66

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Solution

The fourth proportional to 4,788.32, 7,184.86 and 2,157.66 is: 3,237.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,788.32 : 7,184.86 = 2,157.66 : x
  2. Step 2: Convert to fraction form
    4,788.32/7,184.86 = 2,157.66/x
  3. Step 3: Cross multiply
    4,788.32x = 7,184.86 × 2,157.66
  4. Step 4: Simplify right side
    4,788.32x = 15,502,479.63
  5. Step 5: Solve for x
    x = 15,502,479.63/4,788.32
  6. Step 6: Final answer
    x = 3,237.56

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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.