Home / 4,740.30-7,110.84-2,890.44

Finding the Fourth Proportional to 4,740.30, 7,110.84 and 2,890.44

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Solution

The fourth proportional to 4,740.30, 7,110.84 and 2,890.44 is: 4,335.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.30 : 7,110.84 = 2,890.44 : x
  2. Step 2: Convert to fraction form
    4,740.30/7,110.84 = 2,890.44/x
  3. Step 3: Cross multiply
    4,740.30x = 7,110.84 × 2,890.44
  4. Step 4: Simplify right side
    4,740.30x = 20,553,456.37
  5. Step 5: Solve for x
    x = 20,553,456.37/4,740.30
  6. Step 6: Final answer
    x = 4,335.90

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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.