Home / 8,243.07-11,374.53-4,705.60

Finding the Fourth Proportional to 8,243.07, 11,374.53 and 4,705.60

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Solution

The fourth proportional to 8,243.07, 11,374.53 and 4,705.60 is: 6,493.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,243.07 : 11,374.53 = 4,705.60 : x
  2. Step 2: Convert to fraction form
    8,243.07/11,374.53 = 4,705.60/x
  3. Step 3: Cross multiply
    8,243.07x = 11,374.53 × 4,705.60
  4. Step 4: Simplify right side
    8,243.07x = 53,523,959.93
  5. Step 5: Solve for x
    x = 53,523,959.93/8,243.07
  6. Step 6: Final answer
    x = 6,493.21

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1.5x scale

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.