Home / 8,630.49-12,944.66-3,440.01

Finding the Fourth Proportional to 8,630.49, 12,944.66 and 3,440.01

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Solution

The fourth proportional to 8,630.49, 12,944.66 and 3,440.01 is: 5,159.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,630.49 : 12,944.66 = 3,440.01 : x
  2. Step 2: Convert to fraction form
    8,630.49/12,944.66 = 3,440.01/x
  3. Step 3: Cross multiply
    8,630.49x = 12,944.66 × 3,440.01
  4. Step 4: Simplify right side
    8,630.49x = 44,529,742.65
  5. Step 5: Solve for x
    x = 44,529,742.65/8,630.49
  6. Step 6: Final answer
    x = 5,159.58

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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.