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Finding the Fourth Proportional to 6,309.48, 9,459.48 and 2,146.89

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Solution

The fourth proportional to 6,309.48, 9,459.48 and 2,146.89 is: 3,218.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,309.48 : 9,459.48 = 2,146.89 : x
  2. Step 2: Convert to fraction form
    6,309.48/9,459.48 = 2,146.89/x
  3. Step 3: Cross multiply
    6,309.48x = 9,459.48 × 2,146.89
  4. Step 4: Simplify right side
    6,309.48x = 20,308,463.02
  5. Step 5: Solve for x
    x = 20,308,463.02/6,309.48
  6. Step 6: Final answer
    x = 3,218.72

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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.