Home / 4,891.10-6,749.74-2,653

Finding the Fourth Proportional to 4,891.10, 6,749.74 and 2,653

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Solution

The fourth proportional to 4,891.10, 6,749.74 and 2,653 is: 3,661.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,891.10 : 6,749.74 = 2,653 : x
  2. Step 2: Convert to fraction form
    4,891.10/6,749.74 = 2,653/x
  3. Step 3: Cross multiply
    4,891.10x = 6,749.74 × 2,653
  4. Step 4: Simplify right side
    4,891.10x = 17,907,060.22
  5. Step 5: Solve for x
    x = 17,907,060.22/4,891.10
  6. Step 6: Final answer
    x = 3,661.15

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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.