Home / 4,290.91-6,436.59-1,369.45

Finding the Fourth Proportional to 4,290.91, 6,436.59 and 1,369.45

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Solution

The fourth proportional to 4,290.91, 6,436.59 and 1,369.45 is: 2,054.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,290.91 : 6,436.59 = 1,369.45 : x
  2. Step 2: Convert to fraction form
    4,290.91/6,436.59 = 1,369.45/x
  3. Step 3: Cross multiply
    4,290.91x = 6,436.59 × 1,369.45
  4. Step 4: Simplify right side
    4,290.91x = 8,814,588.18
  5. Step 5: Solve for x
    x = 8,814,588.18/4,290.91
  6. Step 6: Final answer
    x = 2,054.25

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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.