Home / 4,814.15-6,643.85-2,718.41

Finding the Fourth Proportional to 4,814.15, 6,643.85 and 2,718.41

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Solution

The fourth proportional to 4,814.15, 6,643.85 and 2,718.41 is: 3,751.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,814.15 : 6,643.85 = 2,718.41 : x
  2. Step 2: Convert to fraction form
    4,814.15/6,643.85 = 2,718.41/x
  3. Step 3: Cross multiply
    4,814.15x = 6,643.85 × 2,718.41
  4. Step 4: Simplify right side
    4,814.15x = 18,060,661.47
  5. Step 5: Solve for x
    x = 18,060,661.47/4,814.15
  6. Step 6: Final answer
    x = 3,751.58

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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.