Home / 5,518.18-7,604.04-4,259.44

Finding the Fourth Proportional to 5,518.18, 7,604.04 and 4,259.44

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Solution

The fourth proportional to 5,518.18, 7,604.04 and 4,259.44 is: 5,869.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,518.18 : 7,604.04 = 4,259.44 : x
  2. Step 2: Convert to fraction form
    5,518.18/7,604.04 = 4,259.44/x
  3. Step 3: Cross multiply
    5,518.18x = 7,604.04 × 4,259.44
  4. Step 4: Simplify right side
    5,518.18x = 32,388,952.14
  5. Step 5: Solve for x
    x = 32,388,952.14/5,518.18
  6. Step 6: Final answer
    x = 5,869.50

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Half scale
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Double scale
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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.