Home / 4,176.23-6,263.81-1,986.35

Finding the Fourth Proportional to 4,176.23, 6,263.81 and 1,986.35

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Solution

The fourth proportional to 4,176.23, 6,263.81 and 1,986.35 is: 2,979.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,176.23 : 6,263.81 = 1,986.35 : x
  2. Step 2: Convert to fraction form
    4,176.23/6,263.81 = 1,986.35/x
  3. Step 3: Cross multiply
    4,176.23x = 6,263.81 × 1,986.35
  4. Step 4: Simplify right side
    4,176.23x = 12,442,132.17
  5. Step 5: Solve for x
    x = 12,442,132.17/4,176.23
  6. Step 6: Final answer
    x = 2,979.27

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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.