Home / 4,888.54-6,741.30-3,119.50

Finding the Fourth Proportional to 4,888.54, 6,741.30 and 3,119.50

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Solution

The fourth proportional to 4,888.54, 6,741.30 and 3,119.50 is: 4,301.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,888.54 : 6,741.30 = 3,119.50 : x
  2. Step 2: Convert to fraction form
    4,888.54/6,741.30 = 3,119.50/x
  3. Step 3: Cross multiply
    4,888.54x = 6,741.30 × 3,119.50
  4. Step 4: Simplify right side
    4,888.54x = 21,029,485.35
  5. Step 5: Solve for x
    x = 21,029,485.35/4,888.54
  6. Step 6: Final answer
    x = 4,301.79

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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.