Home / 4,770.72-7,156.05-2,305.77

Finding the Fourth Proportional to 4,770.72, 7,156.05 and 2,305.77

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Solution

The fourth proportional to 4,770.72, 7,156.05 and 2,305.77 is: 3,458.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,770.72 : 7,156.05 = 2,305.77 : x
  2. Step 2: Convert to fraction form
    4,770.72/7,156.05 = 2,305.77/x
  3. Step 3: Cross multiply
    4,770.72x = 7,156.05 × 2,305.77
  4. Step 4: Simplify right side
    4,770.72x = 16,500,205.41
  5. Step 5: Solve for x
    x = 16,500,205.41/4,770.72
  6. Step 6: Final answer
    x = 3,458.64

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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.