Home / 4,200.28-6,300.43-1,426.84

Finding the Fourth Proportional to 4,200.28, 6,300.43 and 1,426.84

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Solution

The fourth proportional to 4,200.28, 6,300.43 and 1,426.84 is: 2,140.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.28 : 6,300.43 = 1,426.84 : x
  2. Step 2: Convert to fraction form
    4,200.28/6,300.43 = 1,426.84/x
  3. Step 3: Cross multiply
    4,200.28x = 6,300.43 × 1,426.84
  4. Step 4: Simplify right side
    4,200.28x = 8,989,705.54
  5. Step 5: Solve for x
    x = 8,989,705.54/4,200.28
  6. Step 6: Final answer
    x = 2,140.26

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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.