Home / 4,309.81-6,459.49-1,966.60

Finding the Fourth Proportional to 4,309.81, 6,459.49 and 1,966.60

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Solution

The fourth proportional to 4,309.81, 6,459.49 and 1,966.60 is: 2,947.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,309.81 : 6,459.49 = 1,966.60 : x
  2. Step 2: Convert to fraction form
    4,309.81/6,459.49 = 1,966.60/x
  3. Step 3: Cross multiply
    4,309.81x = 6,459.49 × 1,966.60
  4. Step 4: Simplify right side
    4,309.81x = 12,703,244.27
  5. Step 5: Solve for x
    x = 12,703,244.27/4,309.81
  6. Step 6: Final answer
    x = 2,947.52

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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.