Home / 6,386.25-8,813.04-3,735.12

Finding the Fourth Proportional to 6,386.25, 8,813.04 and 3,735.12

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Solution

The fourth proportional to 6,386.25, 8,813.04 and 3,735.12 is: 5,154.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,386.25 : 8,813.04 = 3,735.12 : x
  2. Step 2: Convert to fraction form
    6,386.25/8,813.04 = 3,735.12/x
  3. Step 3: Cross multiply
    6,386.25x = 8,813.04 × 3,735.12
  4. Step 4: Simplify right side
    6,386.25x = 32,917,761.96
  5. Step 5: Solve for x
    x = 32,917,761.96/6,386.25
  6. Step 6: Final answer
    x = 5,154.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.