Home / 4,780.58-7,170.61-1,493.30

Finding the Fourth Proportional to 4,780.58, 7,170.61 and 1,493.30

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Solution

The fourth proportional to 4,780.58, 7,170.61 and 1,493.30 is: 2,239.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,780.58 : 7,170.61 = 1,493.30 : x
  2. Step 2: Convert to fraction form
    4,780.58/7,170.61 = 1,493.30/x
  3. Step 3: Cross multiply
    4,780.58x = 7,170.61 × 1,493.30
  4. Step 4: Simplify right side
    4,780.58x = 10,707,871.91
  5. Step 5: Solve for x
    x = 10,707,871.91/4,780.58
  6. Step 6: Final answer
    x = 2,239.87

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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.