Home / 6,261.02-8,640.33-3,607.98

Finding the Fourth Proportional to 6,261.02, 8,640.33 and 3,607.98

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Solution

The fourth proportional to 6,261.02, 8,640.33 and 3,607.98 is: 4,979.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,261.02 : 8,640.33 = 3,607.98 : x
  2. Step 2: Convert to fraction form
    6,261.02/8,640.33 = 3,607.98/x
  3. Step 3: Cross multiply
    6,261.02x = 8,640.33 × 3,607.98
  4. Step 4: Simplify right side
    6,261.02x = 31,174,137.83
  5. Step 5: Solve for x
    x = 31,174,137.83/6,261.02
  6. Step 6: Final answer
    x = 4,979.08

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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.