Home / 4,318.26-6,477.40-1,240.26

Finding the Fourth Proportional to 4,318.26, 6,477.40 and 1,240.26

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Solution

The fourth proportional to 4,318.26, 6,477.40 and 1,240.26 is: 1,860.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,318.26 : 6,477.40 = 1,240.26 : x
  2. Step 2: Convert to fraction form
    4,318.26/6,477.40 = 1,240.26/x
  3. Step 3: Cross multiply
    4,318.26x = 6,477.40 × 1,240.26
  4. Step 4: Simplify right side
    4,318.26x = 8,033,660.12
  5. Step 5: Solve for x
    x = 8,033,660.12/4,318.26
  6. Step 6: Final answer
    x = 1,860.39

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Similar ratio
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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.