Home / 7,671.06-11,506.59-2,405.88

Finding the Fourth Proportional to 7,671.06, 11,506.59 and 2,405.88

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Solution

The fourth proportional to 7,671.06, 11,506.59 and 2,405.88 is: 3,608.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,671.06 : 11,506.59 = 2,405.88 : x
  2. Step 2: Convert to fraction form
    7,671.06/11,506.59 = 2,405.88/x
  3. Step 3: Cross multiply
    7,671.06x = 11,506.59 × 2,405.88
  4. Step 4: Simplify right side
    7,671.06x = 27,683,474.75
  5. Step 5: Solve for x
    x = 27,683,474.75/7,671.06
  6. Step 6: Final answer
    x = 3,608.82

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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.