Home / 4,907.81-7,358.79-3,328.47

Finding the Fourth Proportional to 4,907.81, 7,358.79 and 3,328.47

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Solution

The fourth proportional to 4,907.81, 7,358.79 and 3,328.47 is: 4,990.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,907.81 : 7,358.79 = 3,328.47 : x
  2. Step 2: Convert to fraction form
    4,907.81/7,358.79 = 3,328.47/x
  3. Step 3: Cross multiply
    4,907.81x = 7,358.79 × 3,328.47
  4. Step 4: Simplify right side
    4,907.81x = 24,493,511.75
  5. Step 5: Solve for x
    x = 24,493,511.75/4,907.81
  6. Step 6: Final answer
    x = 4,990.72

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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.