Home / 4,200.29-6,301.24-1,278.35

Finding the Fourth Proportional to 4,200.29, 6,301.24 and 1,278.35

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Solution

The fourth proportional to 4,200.29, 6,301.24 and 1,278.35 is: 1,917.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.29 : 6,301.24 = 1,278.35 : x
  2. Step 2: Convert to fraction form
    4,200.29/6,301.24 = 1,278.35/x
  3. Step 3: Cross multiply
    4,200.29x = 6,301.24 × 1,278.35
  4. Step 4: Simplify right side
    4,200.29x = 8,055,155.45
  5. Step 5: Solve for x
    x = 8,055,155.45/4,200.29
  6. Step 6: Final answer
    x = 1,917.76

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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.