Home / 4,930.93-7,399.32-1,970.77

Finding the Fourth Proportional to 4,930.93, 7,399.32 and 1,970.77

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Solution

The fourth proportional to 4,930.93, 7,399.32 and 1,970.77 is: 2,957.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,930.93 : 7,399.32 = 1,970.77 : x
  2. Step 2: Convert to fraction form
    4,930.93/7,399.32 = 1,970.77/x
  3. Step 3: Cross multiply
    4,930.93x = 7,399.32 × 1,970.77
  4. Step 4: Simplify right side
    4,930.93x = 14,582,374.52
  5. Step 5: Solve for x
    x = 14,582,374.52/4,930.93
  6. Step 6: Final answer
    x = 2,957.33

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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.