Home / 5,783.21-7,980.77-3,425.39

Finding the Fourth Proportional to 5,783.21, 7,980.77 and 3,425.39

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Solution

The fourth proportional to 5,783.21, 7,980.77 and 3,425.39 is: 4,727.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,783.21 : 7,980.77 = 3,425.39 : x
  2. Step 2: Convert to fraction form
    5,783.21/7,980.77 = 3,425.39/x
  3. Step 3: Cross multiply
    5,783.21x = 7,980.77 × 3,425.39
  4. Step 4: Simplify right side
    5,783.21x = 27,337,232.62
  5. Step 5: Solve for x
    x = 27,337,232.62/5,783.21
  6. Step 6: Final answer
    x = 4,727.00

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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.