Home / 4,920.46-7,382.99-2,455.47

Finding the Fourth Proportional to 4,920.46, 7,382.99 and 2,455.47

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Solution

The fourth proportional to 4,920.46, 7,382.99 and 2,455.47 is: 3,684.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.46 : 7,382.99 = 2,455.47 : x
  2. Step 2: Convert to fraction form
    4,920.46/7,382.99 = 2,455.47/x
  3. Step 3: Cross multiply
    4,920.46x = 7,382.99 × 2,455.47
  4. Step 4: Simplify right side
    4,920.46x = 18,128,710.46
  5. Step 5: Solve for x
    x = 18,128,710.46/4,920.46
  6. Step 6: Final answer
    x = 3,684.35

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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.