Home / 8,127.04-12,192.39-2,580.57

Finding the Fourth Proportional to 8,127.04, 12,192.39 and 2,580.57

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Solution

The fourth proportional to 8,127.04, 12,192.39 and 2,580.57 is: 3,871.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,127.04 : 12,192.39 = 2,580.57 : x
  2. Step 2: Convert to fraction form
    8,127.04/12,192.39 = 2,580.57/x
  3. Step 3: Cross multiply
    8,127.04x = 12,192.39 × 2,580.57
  4. Step 4: Simplify right side
    8,127.04x = 31,463,315.86
  5. Step 5: Solve for x
    x = 31,463,315.86/8,127.04
  6. Step 6: Final answer
    x = 3,871.44

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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.