Home / 7,939.53-10,969.74-6,273.72

Finding the Fourth Proportional to 7,939.53, 10,969.74 and 6,273.72

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Solution

The fourth proportional to 7,939.53, 10,969.74 and 6,273.72 is: 8,668.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,939.53 : 10,969.74 = 6,273.72 : x
  2. Step 2: Convert to fraction form
    7,939.53/10,969.74 = 6,273.72/x
  3. Step 3: Cross multiply
    7,939.53x = 10,969.74 × 6,273.72
  4. Step 4: Simplify right side
    7,939.53x = 68,821,077.23
  5. Step 5: Solve for x
    x = 68,821,077.23/7,939.53
  6. Step 6: Final answer
    x = 8,668.16

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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.