Home / 4,184.79-6,278.22-1,263.09

Finding the Fourth Proportional to 4,184.79, 6,278.22 and 1,263.09

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Solution

The fourth proportional to 4,184.79, 6,278.22 and 1,263.09 is: 1,894.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,184.79 : 6,278.22 = 1,263.09 : x
  2. Step 2: Convert to fraction form
    4,184.79/6,278.22 = 1,263.09/x
  3. Step 3: Cross multiply
    4,184.79x = 6,278.22 × 1,263.09
  4. Step 4: Simplify right side
    4,184.79x = 7,929,956.90
  5. Step 5: Solve for x
    x = 7,929,956.90/4,184.79
  6. Step 6: Final answer
    x = 1,894.95

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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.