Home / 8,640.18-12,952.35-3,092.22

Finding the Fourth Proportional to 8,640.18, 12,952.35 and 3,092.22

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Solution

The fourth proportional to 8,640.18, 12,952.35 and 3,092.22 is: 4,635.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,640.18 : 12,952.35 = 3,092.22 : x
  2. Step 2: Convert to fraction form
    8,640.18/12,952.35 = 3,092.22/x
  3. Step 3: Cross multiply
    8,640.18x = 12,952.35 × 3,092.22
  4. Step 4: Simplify right side
    8,640.18x = 40,051,515.72
  5. Step 5: Solve for x
    x = 40,051,515.72/8,640.18
  6. Step 6: Final answer
    x = 4,635.50

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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.