Home / 5,564.63-7,679.37-3,080.63

Finding the Fourth Proportional to 5,564.63, 7,679.37 and 3,080.63

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Solution

The fourth proportional to 5,564.63, 7,679.37 and 3,080.63 is: 4,251.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,564.63 : 7,679.37 = 3,080.63 : x
  2. Step 2: Convert to fraction form
    5,564.63/7,679.37 = 3,080.63/x
  3. Step 3: Cross multiply
    5,564.63x = 7,679.37 × 3,080.63
  4. Step 4: Simplify right side
    5,564.63x = 23,657,259.21
  5. Step 5: Solve for x
    x = 23,657,259.21/5,564.63
  6. Step 6: Final answer
    x = 4,251.37

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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.