Home / 6,991.72-10,483.40-4,743.02

Finding the Fourth Proportional to 6,991.72, 10,483.40 and 4,743.02

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Solution

The fourth proportional to 6,991.72, 10,483.40 and 4,743.02 is: 7,111.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,991.72 : 10,483.40 = 4,743.02 : x
  2. Step 2: Convert to fraction form
    6,991.72/10,483.40 = 4,743.02/x
  3. Step 3: Cross multiply
    6,991.72x = 10,483.40 × 4,743.02
  4. Step 4: Simplify right side
    6,991.72x = 49,722,926.42
  5. Step 5: Solve for x
    x = 49,722,926.42/6,991.72
  6. Step 6: Final answer
    x = 7,111.68

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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.