Home / 5,518.99-7,603.32-4,518.43

Finding the Fourth Proportional to 5,518.99, 7,603.32 and 4,518.43

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Solution

The fourth proportional to 5,518.99, 7,603.32 and 4,518.43 is: 6,224.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.99 : 7,603.32 = 4,518.43 : x
  2. Step 2: Convert to fraction form
    5,518.99/7,603.32 = 4,518.43/x
  3. Step 3: Cross multiply
    5,518.99x = 7,603.32 × 4,518.43
  4. Step 4: Simplify right side
    5,518.99x = 34,355,069.19
  5. Step 5: Solve for x
    x = 34,355,069.19/5,518.99
  6. Step 6: Final answer
    x = 6,224.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.