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Finding the Fourth Proportional to 7,803.01, 10,768.17 and 4,266.25

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Solution

The fourth proportional to 7,803.01, 10,768.17 and 4,266.25 is: 5,887.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,803.01 : 10,768.17 = 4,266.25 : x
  2. Step 2: Convert to fraction form
    7,803.01/10,768.17 = 4,266.25/x
  3. Step 3: Cross multiply
    7,803.01x = 10,768.17 × 4,266.25
  4. Step 4: Simplify right side
    7,803.01x = 45,939,705.26
  5. Step 5: Solve for x
    x = 45,939,705.26/7,803.01
  6. Step 6: Final answer
    x = 5,887.43

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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.