Home / 6,972.54-10,458.81-1,778.41

Finding the Fourth Proportional to 6,972.54, 10,458.81 and 1,778.41

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Solution

The fourth proportional to 6,972.54, 10,458.81 and 1,778.41 is: 2,667.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,972.54 : 10,458.81 = 1,778.41 : x
  2. Step 2: Convert to fraction form
    6,972.54/10,458.81 = 1,778.41/x
  3. Step 3: Cross multiply
    6,972.54x = 10,458.81 × 1,778.41
  4. Step 4: Simplify right side
    6,972.54x = 18,600,052.29
  5. Step 5: Solve for x
    x = 18,600,052.29/6,972.54
  6. Step 6: Final answer
    x = 2,667.62

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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.