Home / 4,990.04-7,487.60-3,325.31

Finding the Fourth Proportional to 4,990.04, 7,487.60 and 3,325.31

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Solution

The fourth proportional to 4,990.04, 7,487.60 and 3,325.31 is: 4,989.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.04 : 7,487.60 = 3,325.31 : x
  2. Step 2: Convert to fraction form
    4,990.04/7,487.60 = 3,325.31/x
  3. Step 3: Cross multiply
    4,990.04x = 7,487.60 × 3,325.31
  4. Step 4: Simplify right side
    4,990.04x = 24,898,537.09
  5. Step 5: Solve for x
    x = 24,898,537.09/4,990.04
  6. Step 6: Final answer
    x = 4,989.64

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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.