Home / 4,995.54-6,888.74-3,005.70

Finding the Fourth Proportional to 4,995.54, 6,888.74 and 3,005.70

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Solution

The fourth proportional to 4,995.54, 6,888.74 and 3,005.70 is: 4,144.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,995.54 : 6,888.74 = 3,005.70 : x
  2. Step 2: Convert to fraction form
    4,995.54/6,888.74 = 3,005.70/x
  3. Step 3: Cross multiply
    4,995.54x = 6,888.74 × 3,005.70
  4. Step 4: Simplify right side
    4,995.54x = 20,705,485.82
  5. Step 5: Solve for x
    x = 20,705,485.82/4,995.54
  6. Step 6: Final answer
    x = 4,144.79

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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.