Home / 5,611.50-8,417.25-2,148.84

Finding the Fourth Proportional to 5,611.50, 8,417.25 and 2,148.84

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Solution

The fourth proportional to 5,611.50, 8,417.25 and 2,148.84 is: 3,223.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,611.50 : 8,417.25 = 2,148.84 : x
  2. Step 2: Convert to fraction form
    5,611.50/8,417.25 = 2,148.84/x
  3. Step 3: Cross multiply
    5,611.50x = 8,417.25 × 2,148.84
  4. Step 4: Simplify right side
    5,611.50x = 18,087,323.49
  5. Step 5: Solve for x
    x = 18,087,323.49/5,611.50
  6. Step 6: Final answer
    x = 3,223.26

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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.