Home / 4,913.37-7,370.01-1,990.98

Finding the Fourth Proportional to 4,913.37, 7,370.01 and 1,990.98

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Solution

The fourth proportional to 4,913.37, 7,370.01 and 1,990.98 is: 2,986.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,913.37 : 7,370.01 = 1,990.98 : x
  2. Step 2: Convert to fraction form
    4,913.37/7,370.01 = 1,990.98/x
  3. Step 3: Cross multiply
    4,913.37x = 7,370.01 × 1,990.98
  4. Step 4: Simplify right side
    4,913.37x = 14,673,542.51
  5. Step 5: Solve for x
    x = 14,673,542.51/4,913.37
  6. Step 6: Final answer
    x = 2,986.45

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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.