Home / 6,748.93-10,122.47-1,818.86

Finding the Fourth Proportional to 6,748.93, 10,122.47 and 1,818.86

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Solution

The fourth proportional to 6,748.93, 10,122.47 and 1,818.86 is: 2,728.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,748.93 : 10,122.47 = 1,818.86 : x
  2. Step 2: Convert to fraction form
    6,748.93/10,122.47 = 1,818.86/x
  3. Step 3: Cross multiply
    6,748.93x = 10,122.47 × 1,818.86
  4. Step 4: Simplify right side
    6,748.93x = 18,411,372.00
  5. Step 5: Solve for x
    x = 18,411,372.00/6,748.93
  6. Step 6: Final answer
    x = 2,728.04

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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.