Home / 6,261.40-8,642.22-4,137.34

Finding the Fourth Proportional to 6,261.40, 8,642.22 and 4,137.34

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Solution

The fourth proportional to 6,261.40, 8,642.22 and 4,137.34 is: 5,710.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,261.40 : 8,642.22 = 4,137.34 : x
  2. Step 2: Convert to fraction form
    6,261.40/8,642.22 = 4,137.34/x
  3. Step 3: Cross multiply
    6,261.40x = 8,642.22 × 4,137.34
  4. Step 4: Simplify right side
    6,261.40x = 35,755,802.49
  5. Step 5: Solve for x
    x = 35,755,802.49/6,261.40
  6. Step 6: Final answer
    x = 5,710.51

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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.