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Finding the Fourth Proportional to 6,859.26, 10,278.09 and 5,303.08

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Solution

The fourth proportional to 6,859.26, 10,278.09 and 5,303.08 is: 7,946.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,859.26 : 10,278.09 = 5,303.08 : x
  2. Step 2: Convert to fraction form
    6,859.26/10,278.09 = 5,303.08/x
  3. Step 3: Cross multiply
    6,859.26x = 10,278.09 × 5,303.08
  4. Step 4: Simplify right side
    6,859.26x = 54,505,533.52
  5. Step 5: Solve for x
    x = 54,505,533.52/6,859.26
  6. Step 6: Final answer
    x = 7,946.27

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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.