Home / 7,108.89-10,650.54-4,185.60

Finding the Fourth Proportional to 7,108.89, 10,650.54 and 4,185.60

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Solution

The fourth proportional to 7,108.89, 10,650.54 and 4,185.60 is: 6,270.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,108.89 : 10,650.54 = 4,185.60 : x
  2. Step 2: Convert to fraction form
    7,108.89/10,650.54 = 4,185.60/x
  3. Step 3: Cross multiply
    7,108.89x = 10,650.54 × 4,185.60
  4. Step 4: Simplify right side
    7,108.89x = 44,578,900.22
  5. Step 5: Solve for x
    x = 44,578,900.22/7,108.89
  6. Step 6: Final answer
    x = 6,270.87

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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.