Home / 6,240.09-8,611.23-3,407.50

Finding the Fourth Proportional to 6,240.09, 8,611.23 and 3,407.50

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Solution

The fourth proportional to 6,240.09, 8,611.23 and 3,407.50 is: 4,702.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240.09 : 8,611.23 = 3,407.50 : x
  2. Step 2: Convert to fraction form
    6,240.09/8,611.23 = 3,407.50/x
  3. Step 3: Cross multiply
    6,240.09x = 8,611.23 × 3,407.50
  4. Step 4: Simplify right side
    6,240.09x = 29,342,766.23
  5. Step 5: Solve for x
    x = 29,342,766.23/6,240.09
  6. Step 6: Final answer
    x = 4,702.30

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.