Home / 4,814.32-7,225.61-3,431.05

Finding the Fourth Proportional to 4,814.32, 7,225.61 and 3,431.05

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Solution

The fourth proportional to 4,814.32, 7,225.61 and 3,431.05 is: 5,149.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,814.32 : 7,225.61 = 3,431.05 : x
  2. Step 2: Convert to fraction form
    4,814.32/7,225.61 = 3,431.05/x
  3. Step 3: Cross multiply
    4,814.32x = 7,225.61 × 3,431.05
  4. Step 4: Simplify right side
    4,814.32x = 24,791,429.19
  5. Step 5: Solve for x
    x = 24,791,429.19/4,814.32
  6. Step 6: Final answer
    x = 5,149.52

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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.