Home / 4,182.35-6,264.71-1,988.87

Finding the Fourth Proportional to 4,182.35, 6,264.71 and 1,988.87

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Solution

The fourth proportional to 4,182.35, 6,264.71 and 1,988.87 is: 2,979.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,182.35 : 6,264.71 = 1,988.87 : x
  2. Step 2: Convert to fraction form
    4,182.35/6,264.71 = 1,988.87/x
  3. Step 3: Cross multiply
    4,182.35x = 6,264.71 × 1,988.87
  4. Step 4: Simplify right side
    4,182.35x = 12,459,683.09
  5. Step 5: Solve for x
    x = 12,459,683.09/4,182.35
  6. Step 6: Final answer
    x = 2,979.11

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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.