Home / 4,838.89-7,257.15-1,328.92

Finding the Fourth Proportional to 4,838.89, 7,257.15 and 1,328.92

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Solution

The fourth proportional to 4,838.89, 7,257.15 and 1,328.92 is: 1,993.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,838.89 : 7,257.15 = 1,328.92 : x
  2. Step 2: Convert to fraction form
    4,838.89/7,257.15 = 1,328.92/x
  3. Step 3: Cross multiply
    4,838.89x = 7,257.15 × 1,328.92
  4. Step 4: Simplify right side
    4,838.89x = 9,644,171.78
  5. Step 5: Solve for x
    x = 9,644,171.78/4,838.89
  6. Step 6: Final answer
    x = 1,993.05

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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.