Home / 4,991.23-6,888.35-2,867.03

Finding the Fourth Proportional to 4,991.23, 6,888.35 and 2,867.03

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Solution

The fourth proportional to 4,991.23, 6,888.35 and 2,867.03 is: 3,956.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.23 : 6,888.35 = 2,867.03 : x
  2. Step 2: Convert to fraction form
    4,991.23/6,888.35 = 2,867.03/x
  3. Step 3: Cross multiply
    4,991.23x = 6,888.35 × 2,867.03
  4. Step 4: Simplify right side
    4,991.23x = 19,749,106.10
  5. Step 5: Solve for x
    x = 19,749,106.10/4,991.23
  6. Step 6: Final answer
    x = 3,956.76

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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.