Home / 8,143.48-12,215.20-2,300.08

Finding the Fourth Proportional to 8,143.48, 12,215.20 and 2,300.08

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Solution

The fourth proportional to 8,143.48, 12,215.20 and 2,300.08 is: 3,450.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,143.48 : 12,215.20 = 2,300.08 : x
  2. Step 2: Convert to fraction form
    8,143.48/12,215.20 = 2,300.08/x
  3. Step 3: Cross multiply
    8,143.48x = 12,215.20 × 2,300.08
  4. Step 4: Simplify right side
    8,143.48x = 28,095,937.22
  5. Step 5: Solve for x
    x = 28,095,937.22/8,143.48
  6. Step 6: Final answer
    x = 3,450.11

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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.