Home / 4,814.25-6,643.67-2,718.51

Finding the Fourth Proportional to 4,814.25, 6,643.67 and 2,718.51

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Solution

The fourth proportional to 4,814.25, 6,643.67 and 2,718.51 is: 3,751.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,814.25 : 6,643.67 = 2,718.51 : x
  2. Step 2: Convert to fraction form
    4,814.25/6,643.67 = 2,718.51/x
  3. Step 3: Cross multiply
    4,814.25x = 6,643.67 × 2,718.51
  4. Step 4: Simplify right side
    4,814.25x = 18,060,869.74
  5. Step 5: Solve for x
    x = 18,060,869.74/4,814.25
  6. Step 6: Final answer
    x = 3,751.54

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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.