Home / 4,185.31-6,278.94-1,411.93

Finding the Fourth Proportional to 4,185.31, 6,278.94 and 1,411.93

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Solution

The fourth proportional to 4,185.31, 6,278.94 and 1,411.93 is: 2,118.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,185.31 : 6,278.94 = 1,411.93 : x
  2. Step 2: Convert to fraction form
    4,185.31/6,278.94 = 1,411.93/x
  3. Step 3: Cross multiply
    4,185.31x = 6,278.94 × 1,411.93
  4. Step 4: Simplify right side
    4,185.31x = 8,865,423.75
  5. Step 5: Solve for x
    x = 8,865,423.75/4,185.31
  6. Step 6: Final answer
    x = 2,118.22

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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.