Home / 4,187.19-6,278.97-1,264.82

Finding the Fourth Proportional to 4,187.19, 6,278.97 and 1,264.82

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Solution

The fourth proportional to 4,187.19, 6,278.97 and 1,264.82 is: 1,896.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,187.19 : 6,278.97 = 1,264.82 : x
  2. Step 2: Convert to fraction form
    4,187.19/6,278.97 = 1,264.82/x
  3. Step 3: Cross multiply
    4,187.19x = 6,278.97 × 1,264.82
  4. Step 4: Simplify right side
    4,187.19x = 7,941,733.07
  5. Step 5: Solve for x
    x = 7,941,733.07/4,187.19
  6. Step 6: Final answer
    x = 1,896.67

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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.