Home / 4,814.40-7,215.20-3,444.80

Finding the Fourth Proportional to 4,814.40, 7,215.20 and 3,444.80

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Solution

The fourth proportional to 4,814.40, 7,215.20 and 3,444.80 is: 5,162.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,814.40 : 7,215.20 = 3,444.80 : x
  2. Step 2: Convert to fraction form
    4,814.40/7,215.20 = 3,444.80/x
  3. Step 3: Cross multiply
    4,814.40x = 7,215.20 × 3,444.80
  4. Step 4: Simplify right side
    4,814.40x = 24,854,920.96
  5. Step 5: Solve for x
    x = 24,854,920.96/4,814.40
  6. Step 6: Final answer
    x = 5,162.62

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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.