Home / 7,325.04-10,989.48-2,131.44

Finding the Fourth Proportional to 7,325.04, 10,989.48 and 2,131.44

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Solution

The fourth proportional to 7,325.04, 10,989.48 and 2,131.44 is: 3,197.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,325.04 : 10,989.48 = 2,131.44 : x
  2. Step 2: Convert to fraction form
    7,325.04/10,989.48 = 2,131.44/x
  3. Step 3: Cross multiply
    7,325.04x = 10,989.48 × 2,131.44
  4. Step 4: Simplify right side
    7,325.04x = 23,423,417.25
  5. Step 5: Solve for x
    x = 23,423,417.25/7,325.04
  6. Step 6: Final answer
    x = 3,197.72

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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.