Home / 4,200.29-6,301.40-1,278.83

Finding the Fourth Proportional to 4,200.29, 6,301.40 and 1,278.83

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Solution

The fourth proportional to 4,200.29, 6,301.40 and 1,278.83 is: 1,918.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,200.29 : 6,301.40 = 1,278.83 : x
  2. Step 2: Convert to fraction form
    4,200.29/6,301.40 = 1,278.83/x
  3. Step 3: Cross multiply
    4,200.29x = 6,301.40 × 1,278.83
  4. Step 4: Simplify right side
    4,200.29x = 8,058,381.46
  5. Step 5: Solve for x
    x = 8,058,381.46/4,200.29
  6. Step 6: Final answer
    x = 1,918.53

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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.