Home / 7,718.02-11,573.79-2,451.58

Finding the Fourth Proportional to 7,718.02, 11,573.79 and 2,451.58

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Solution

The fourth proportional to 7,718.02, 11,573.79 and 2,451.58 is: 3,676.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,718.02 : 11,573.79 = 2,451.58 : x
  2. Step 2: Convert to fraction form
    7,718.02/11,573.79 = 2,451.58/x
  3. Step 3: Cross multiply
    7,718.02x = 11,573.79 × 2,451.58
  4. Step 4: Simplify right side
    7,718.02x = 28,374,072.09
  5. Step 5: Solve for x
    x = 28,374,072.09/7,718.02
  6. Step 6: Final answer
    x = 3,676.34

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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.