Home / 4,813.88-6,643.47-2,823.71

Finding the Fourth Proportional to 4,813.88, 6,643.47 and 2,823.71

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Solution

The fourth proportional to 4,813.88, 6,643.47 and 2,823.71 is: 3,896.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813.88 : 6,643.47 = 2,823.71 : x
  2. Step 2: Convert to fraction form
    4,813.88/6,643.47 = 2,823.71/x
  3. Step 3: Cross multiply
    4,813.88x = 6,643.47 × 2,823.71
  4. Step 4: Simplify right side
    4,813.88x = 18,759,199.46
  5. Step 5: Solve for x
    x = 18,759,199.46/4,813.88
  6. Step 6: Final answer
    x = 3,896.90

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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.