Home / 4,200.96-6,298.34-1,426.88

Finding the Fourth Proportional to 4,200.96, 6,298.34 and 1,426.88

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Solution

The fourth proportional to 4,200.96, 6,298.34 and 1,426.88 is: 2,139.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.96 : 6,298.34 = 1,426.88 : x
  2. Step 2: Convert to fraction form
    4,200.96/6,298.34 = 1,426.88/x
  3. Step 3: Cross multiply
    4,200.96x = 6,298.34 × 1,426.88
  4. Step 4: Simplify right side
    4,200.96x = 8,986,994.69
  5. Step 5: Solve for x
    x = 8,986,994.69/4,200.96
  6. Step 6: Final answer
    x = 2,139.27

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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.