Home / 4,814.40-6,643.42-2,824.60

Finding the Fourth Proportional to 4,814.40, 6,643.42 and 2,824.60

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Solution

The fourth proportional to 4,814.40, 6,643.42 and 2,824.60 is: 3,897.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,814.40 : 6,643.42 = 2,824.60 : x
  2. Step 2: Convert to fraction form
    4,814.40/6,643.42 = 2,824.60/x
  3. Step 3: Cross multiply
    4,814.40x = 6,643.42 × 2,824.60
  4. Step 4: Simplify right side
    4,814.40x = 18,765,004.13
  5. Step 5: Solve for x
    x = 18,765,004.13/4,814.40
  6. Step 6: Final answer
    x = 3,897.68

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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.