Home / 4,200.18-6,300.81-3,908.58

Finding the Fourth Proportional to 4,200.18, 6,300.81 and 3,908.58

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Solution

The fourth proportional to 4,200.18, 6,300.81 and 3,908.58 is: 5,863.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.18 : 6,300.81 = 3,908.58 : x
  2. Step 2: Convert to fraction form
    4,200.18/6,300.81 = 3,908.58/x
  3. Step 3: Cross multiply
    4,200.18x = 6,300.81 × 3,908.58
  4. Step 4: Simplify right side
    4,200.18x = 24,627,219.95
  5. Step 5: Solve for x
    x = 24,627,219.95/4,200.18
  6. Step 6: Final answer
    x = 5,863.37

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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.