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Finding the Fourth Proportional to 4,305.81, 6,459.81 and 1,227.81

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Solution

The fourth proportional to 4,305.81, 6,459.81 and 1,227.81 is: 1,842.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,305.81 : 6,459.81 = 1,227.81 : x
  2. Step 2: Convert to fraction form
    4,305.81/6,459.81 = 1,227.81/x
  3. Step 3: Cross multiply
    4,305.81x = 6,459.81 × 1,227.81
  4. Step 4: Simplify right side
    4,305.81x = 7,931,419.32
  5. Step 5: Solve for x
    x = 7,931,419.32/4,305.81
  6. Step 6: Final answer
    x = 1,842.03

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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.