Home / 4,912.06-6,770.10-4,278.64

Finding the Fourth Proportional to 4,912.06, 6,770.10 and 4,278.64

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Solution

The fourth proportional to 4,912.06, 6,770.10 and 4,278.64 is: 5,897.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.06 : 6,770.10 = 4,278.64 : x
  2. Step 2: Convert to fraction form
    4,912.06/6,770.10 = 4,278.64/x
  3. Step 3: Cross multiply
    4,912.06x = 6,770.10 × 4,278.64
  4. Step 4: Simplify right side
    4,912.06x = 28,966,820.66
  5. Step 5: Solve for x
    x = 28,966,820.66/4,912.06
  6. Step 6: Final answer
    x = 5,897.08

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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.