Home / 4,295.54-6,443.31-1,986.74

Finding the Fourth Proportional to 4,295.54, 6,443.31 and 1,986.74

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Solution

The fourth proportional to 4,295.54, 6,443.31 and 1,986.74 is: 2,980.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,295.54 : 6,443.31 = 1,986.74 : x
  2. Step 2: Convert to fraction form
    4,295.54/6,443.31 = 1,986.74/x
  3. Step 3: Cross multiply
    4,295.54x = 6,443.31 × 1,986.74
  4. Step 4: Simplify right side
    4,295.54x = 12,801,181.71
  5. Step 5: Solve for x
    x = 12,801,181.71/4,295.54
  6. Step 6: Final answer
    x = 2,980.11

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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.