Home / 4,205.90-6,310.25-1,865.58

Finding the Fourth Proportional to 4,205.90, 6,310.25 and 1,865.58

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Solution

The fourth proportional to 4,205.90, 6,310.25 and 1,865.58 is: 2,799.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,205.90 : 6,310.25 = 1,865.58 : x
  2. Step 2: Convert to fraction form
    4,205.90/6,310.25 = 1,865.58/x
  3. Step 3: Cross multiply
    4,205.90x = 6,310.25 × 1,865.58
  4. Step 4: Simplify right side
    4,205.90x = 11,772,296.19
  5. Step 5: Solve for x
    x = 11,772,296.19/4,205.90
  6. Step 6: Final answer
    x = 2,799.00

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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.