Home / 4,291.38-6,436.98-1,369.62

Finding the Fourth Proportional to 4,291.38, 6,436.98 and 1,369.62

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Solution

The fourth proportional to 4,291.38, 6,436.98 and 1,369.62 is: 2,054.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,291.38 : 6,436.98 = 1,369.62 : x
  2. Step 2: Convert to fraction form
    4,291.38/6,436.98 = 1,369.62/x
  3. Step 3: Cross multiply
    4,291.38x = 6,436.98 × 1,369.62
  4. Step 4: Simplify right side
    4,291.38x = 8,816,216.55
  5. Step 5: Solve for x
    x = 8,816,216.55/4,291.38
  6. Step 6: Final answer
    x = 2,054.40

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1.5x scale

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.