Home / 4,290.23-6,435.80-1,367.85

Finding the Fourth Proportional to 4,290.23, 6,435.80 and 1,367.85

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Solution

The fourth proportional to 4,290.23, 6,435.80 and 1,367.85 is: 2,051.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.23 : 6,435.80 = 1,367.85 : x
  2. Step 2: Convert to fraction form
    4,290.23/6,435.80 = 1,367.85/x
  3. Step 3: Cross multiply
    4,290.23x = 6,435.80 × 1,367.85
  4. Step 4: Simplify right side
    4,290.23x = 8,803,209.03
  5. Step 5: Solve for x
    x = 8,803,209.03/4,290.23
  6. Step 6: Final answer
    x = 2,051.92

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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.