Home / 6,240.52-8,611.91-3,407.92

Finding the Fourth Proportional to 6,240.52, 8,611.91 and 3,407.92

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Solution

The fourth proportional to 6,240.52, 8,611.91 and 3,407.92 is: 4,702.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240.52 : 8,611.91 = 3,407.92 : x
  2. Step 2: Convert to fraction form
    6,240.52/8,611.91 = 3,407.92/x
  3. Step 3: Cross multiply
    6,240.52x = 8,611.91 × 3,407.92
  4. Step 4: Simplify right side
    6,240.52x = 29,348,661.76
  5. Step 5: Solve for x
    x = 29,348,661.76/6,240.52
  6. Step 6: Final answer
    x = 4,702.92

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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.