Home / 9,479.57-14,219.85-3,635.72

Finding the Fourth Proportional to 9,479.57, 14,219.85 and 3,635.72

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Solution

The fourth proportional to 9,479.57, 14,219.85 and 3,635.72 is: 5,453.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,479.57 : 14,219.85 = 3,635.72 : x
  2. Step 2: Convert to fraction form
    9,479.57/14,219.85 = 3,635.72/x
  3. Step 3: Cross multiply
    9,479.57x = 14,219.85 × 3,635.72
  4. Step 4: Simplify right side
    9,479.57x = 51,699,388.90
  5. Step 5: Solve for x
    x = 51,699,388.90/9,479.57
  6. Step 6: Final answer
    x = 5,453.77

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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.