Home / 7,818.55-11,728.44-2,271.99

Finding the Fourth Proportional to 7,818.55, 11,728.44 and 2,271.99

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Solution

The fourth proportional to 7,818.55, 11,728.44 and 2,271.99 is: 3,408.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,818.55 : 11,728.44 = 2,271.99 : x
  2. Step 2: Convert to fraction form
    7,818.55/11,728.44 = 2,271.99/x
  3. Step 3: Cross multiply
    7,818.55x = 11,728.44 × 2,271.99
  4. Step 4: Simplify right side
    7,818.55x = 26,646,898.40
  5. Step 5: Solve for x
    x = 26,646,898.40/7,818.55
  6. Step 6: Final answer
    x = 3,408.16

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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.