Home / 6,719.51-9,271.80-3,734.95

Finding the Fourth Proportional to 6,719.51, 9,271.80 and 3,734.95

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Solution

The fourth proportional to 6,719.51, 9,271.80 and 3,734.95 is: 5,153.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,719.51 : 9,271.80 = 3,734.95 : x
  2. Step 2: Convert to fraction form
    6,719.51/9,271.80 = 3,734.95/x
  3. Step 3: Cross multiply
    6,719.51x = 9,271.80 × 3,734.95
  4. Step 4: Simplify right side
    6,719.51x = 34,629,709.41
  5. Step 5: Solve for x
    x = 34,629,709.41/6,719.51
  6. Step 6: Final answer
    x = 5,153.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.