Home / 6,440.07-8,891.25-4,945.08

Finding the Fourth Proportional to 6,440.07, 8,891.25 and 4,945.08

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Solution

The fourth proportional to 6,440.07, 8,891.25 and 4,945.08 is: 6,827.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,440.07 : 8,891.25 = 4,945.08 : x
  2. Step 2: Convert to fraction form
    6,440.07/8,891.25 = 4,945.08/x
  3. Step 3: Cross multiply
    6,440.07x = 8,891.25 × 4,945.08
  4. Step 4: Simplify right side
    6,440.07x = 43,967,942.55
  5. Step 5: Solve for x
    x = 43,967,942.55/6,440.07
  6. Step 6: Final answer
    x = 6,827.25

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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.