Home / 7,817.53-11,727.45-2,270.16

Finding the Fourth Proportional to 7,817.53, 11,727.45 and 2,270.16

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Solution

The fourth proportional to 7,817.53, 11,727.45 and 2,270.16 is: 3,405.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,817.53 : 11,727.45 = 2,270.16 : x
  2. Step 2: Convert to fraction form
    7,817.53/11,727.45 = 2,270.16/x
  3. Step 3: Cross multiply
    7,817.53x = 11,727.45 × 2,270.16
  4. Step 4: Simplify right side
    7,817.53x = 26,623,187.89
  5. Step 5: Solve for x
    x = 26,623,187.89/7,817.53
  6. Step 6: Final answer
    x = 3,405.58

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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.