Home / 7,323.02-10,982.88-2,939.30

Finding the Fourth Proportional to 7,323.02, 10,982.88 and 2,939.30

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Solution

The fourth proportional to 7,323.02, 10,982.88 and 2,939.30 is: 4,408.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,323.02 : 10,982.88 = 2,939.30 : x
  2. Step 2: Convert to fraction form
    7,323.02/10,982.88 = 2,939.30/x
  3. Step 3: Cross multiply
    7,323.02x = 10,982.88 × 2,939.30
  4. Step 4: Simplify right side
    7,323.02x = 32,281,979.18
  5. Step 5: Solve for x
    x = 32,281,979.18/7,323.02
  6. Step 6: Final answer
    x = 4,408.29

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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.