Home / 4,071.89-6,107.49-1,298.45

Finding the Fourth Proportional to 4,071.89, 6,107.49 and 1,298.45

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Solution

The fourth proportional to 4,071.89, 6,107.49 and 1,298.45 is: 1,947.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,071.89 : 6,107.49 = 1,298.45 : x
  2. Step 2: Convert to fraction form
    4,071.89/6,107.49 = 1,298.45/x
  3. Step 3: Cross multiply
    4,071.89x = 6,107.49 × 1,298.45
  4. Step 4: Simplify right side
    4,071.89x = 7,930,270.39
  5. Step 5: Solve for x
    x = 7,930,270.39/4,071.89
  6. Step 6: Final answer
    x = 1,947.56

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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.