Home / 5,552.88-8,328.57-1,855.05

Finding the Fourth Proportional to 5,552.88, 8,328.57 and 1,855.05

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Solution

The fourth proportional to 5,552.88, 8,328.57 and 1,855.05 is: 2,782.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,552.88 : 8,328.57 = 1,855.05 : x
  2. Step 2: Convert to fraction form
    5,552.88/8,328.57 = 1,855.05/x
  3. Step 3: Cross multiply
    5,552.88x = 8,328.57 × 1,855.05
  4. Step 4: Simplify right side
    5,552.88x = 15,449,913.78
  5. Step 5: Solve for x
    x = 15,449,913.78/5,552.88
  6. Step 6: Final answer
    x = 2,782.32

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Half scale
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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.