Home / 8,970.26-13,455.39-2,730.63

Finding the Fourth Proportional to 8,970.26, 13,455.39 and 2,730.63

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Solution

The fourth proportional to 8,970.26, 13,455.39 and 2,730.63 is: 4,095.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,970.26 : 13,455.39 = 2,730.63 : x
  2. Step 2: Convert to fraction form
    8,970.26/13,455.39 = 2,730.63/x
  3. Step 3: Cross multiply
    8,970.26x = 13,455.39 × 2,730.63
  4. Step 4: Simplify right side
    8,970.26x = 36,741,691.60
  5. Step 5: Solve for x
    x = 36,741,691.60/8,970.26
  6. Step 6: Final answer
    x = 4,095.95

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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.