Home / 8,574.17-12,861.09-2,730.69

Finding the Fourth Proportional to 8,574.17, 12,861.09 and 2,730.69

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Solution

The fourth proportional to 8,574.17, 12,861.09 and 2,730.69 is: 4,095.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,574.17 : 12,861.09 = 2,730.69 : x
  2. Step 2: Convert to fraction form
    8,574.17/12,861.09 = 2,730.69/x
  3. Step 3: Cross multiply
    8,574.17x = 12,861.09 × 2,730.69
  4. Step 4: Simplify right side
    8,574.17x = 35,119,649.85
  5. Step 5: Solve for x
    x = 35,119,649.85/8,574.17
  6. Step 6: Final answer
    x = 4,095.98

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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.