Home / 6,261.88-8,638.80-4,023.28

Finding the Fourth Proportional to 6,261.88, 8,638.80 and 4,023.28

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Solution

The fourth proportional to 6,261.88, 8,638.80 and 4,023.28 is: 5,550.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,261.88 : 8,638.80 = 4,023.28 : x
  2. Step 2: Convert to fraction form
    6,261.88/8,638.80 = 4,023.28/x
  3. Step 3: Cross multiply
    6,261.88x = 8,638.80 × 4,023.28
  4. Step 4: Simplify right side
    6,261.88x = 34,756,311.26
  5. Step 5: Solve for x
    x = 34,756,311.26/6,261.88
  6. Step 6: Final answer
    x = 5,550.46

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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.