Home / 8,627.41-12,943.85-3,080.63

Finding the Fourth Proportional to 8,627.41, 12,943.85 and 3,080.63

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Solution

The fourth proportional to 8,627.41, 12,943.85 and 3,080.63 is: 4,621.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,627.41 : 12,943.85 = 3,080.63 : x
  2. Step 2: Convert to fraction form
    8,627.41/12,943.85 = 3,080.63/x
  3. Step 3: Cross multiply
    8,627.41x = 12,943.85 × 3,080.63
  4. Step 4: Simplify right side
    8,627.41x = 39,875,212.63
  5. Step 5: Solve for x
    x = 39,875,212.63/8,627.41
  6. Step 6: Final answer
    x = 4,621.92

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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.