Home / 4,774.61-7,157.84-1,811.39

Finding the Fourth Proportional to 4,774.61, 7,157.84 and 1,811.39

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Solution

The fourth proportional to 4,774.61, 7,157.84 and 1,811.39 is: 2,715.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,774.61 : 7,157.84 = 1,811.39 : x
  2. Step 2: Convert to fraction form
    4,774.61/7,157.84 = 1,811.39/x
  3. Step 3: Cross multiply
    4,774.61x = 7,157.84 × 1,811.39
  4. Step 4: Simplify right side
    4,774.61x = 12,965,669.93
  5. Step 5: Solve for x
    x = 12,965,669.93/4,774.61
  6. Step 6: Final answer
    x = 2,715.55

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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.