Home / 4,418.35-6,627.52-1,131.45

Finding the Fourth Proportional to 4,418.35, 6,627.52 and 1,131.45

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Solution

The fourth proportional to 4,418.35, 6,627.52 and 1,131.45 is: 1,697.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,418.35 : 6,627.52 = 1,131.45 : x
  2. Step 2: Convert to fraction form
    4,418.35/6,627.52 = 1,131.45/x
  3. Step 3: Cross multiply
    4,418.35x = 6,627.52 × 1,131.45
  4. Step 4: Simplify right side
    4,418.35x = 7,498,707.50
  5. Step 5: Solve for x
    x = 7,498,707.50/4,418.35
  6. Step 6: Final answer
    x = 1,697.17

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Double scale
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Similar ratio
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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.