Home / 7,485.08-11,213.23-4,188.19

Finding the Fourth Proportional to 7,485.08, 11,213.23 and 4,188.19

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Solution

The fourth proportional to 7,485.08, 11,213.23 and 4,188.19 is: 6,274.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485.08 : 11,213.23 = 4,188.19 : x
  2. Step 2: Convert to fraction form
    7,485.08/11,213.23 = 4,188.19/x
  3. Step 3: Cross multiply
    7,485.08x = 11,213.23 × 4,188.19
  4. Step 4: Simplify right side
    7,485.08x = 46,963,137.75
  5. Step 5: Solve for x
    x = 46,963,137.75/7,485.08
  6. Step 6: Final answer
    x = 6,274.23

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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.