Home / 4,185.69-6,278.54-1,263.92

Finding the Fourth Proportional to 4,185.69, 6,278.54 and 1,263.92

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Solution

The fourth proportional to 4,185.69, 6,278.54 and 1,263.92 is: 1,895.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,185.69 : 6,278.54 = 1,263.92 : x
  2. Step 2: Convert to fraction form
    4,185.69/6,278.54 = 1,263.92/x
  3. Step 3: Cross multiply
    4,185.69x = 6,278.54 × 1,263.92
  4. Step 4: Simplify right side
    4,185.69x = 7,935,534.56
  5. Step 5: Solve for x
    x = 7,935,534.56/4,185.69
  6. Step 6: Final answer
    x = 1,895.87

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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.