Home / 6,270.72-8,653.50-3,618.36

Finding the Fourth Proportional to 6,270.72, 8,653.50 and 3,618.36

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Solution

The fourth proportional to 6,270.72, 8,653.50 and 3,618.36 is: 4,993.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,270.72 : 8,653.50 = 3,618.36 : x
  2. Step 2: Convert to fraction form
    6,270.72/8,653.50 = 3,618.36/x
  3. Step 3: Cross multiply
    6,270.72x = 8,653.50 × 3,618.36
  4. Step 4: Simplify right side
    6,270.72x = 31,311,478.26
  5. Step 5: Solve for x
    x = 31,311,478.26/6,270.72
  6. Step 6: Final answer
    x = 4,993.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.