Home / 8,288.26-12,429.74-2,740.57

Finding the Fourth Proportional to 8,288.26, 12,429.74 and 2,740.57

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Solution

The fourth proportional to 8,288.26, 12,429.74 and 2,740.57 is: 4,109.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,288.26 : 12,429.74 = 2,740.57 : x
  2. Step 2: Convert to fraction form
    8,288.26/12,429.74 = 2,740.57/x
  3. Step 3: Cross multiply
    8,288.26x = 12,429.74 × 2,740.57
  4. Step 4: Simplify right side
    8,288.26x = 34,064,572.55
  5. Step 5: Solve for x
    x = 34,064,572.55/8,288.26
  6. Step 6: Final answer
    x = 4,109.98

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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.