Home / 4,139.19-6,210.54-1,947.87

Finding the Fourth Proportional to 4,139.19, 6,210.54 and 1,947.87

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Solution

The fourth proportional to 4,139.19, 6,210.54 and 1,947.87 is: 2,922.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,139.19 : 6,210.54 = 1,947.87 : x
  2. Step 2: Convert to fraction form
    4,139.19/6,210.54 = 1,947.87/x
  3. Step 3: Cross multiply
    4,139.19x = 6,210.54 × 1,947.87
  4. Step 4: Simplify right side
    4,139.19x = 12,097,324.55
  5. Step 5: Solve for x
    x = 12,097,324.55/4,139.19
  6. Step 6: Final answer
    x = 2,922.63

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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.