Home / 6,260.55-8,640.48-3,607.44

Finding the Fourth Proportional to 6,260.55, 8,640.48 and 3,607.44

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Solution

The fourth proportional to 6,260.55, 8,640.48 and 3,607.44 is: 4,978.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,260.55 : 8,640.48 = 3,607.44 : x
  2. Step 2: Convert to fraction form
    6,260.55/8,640.48 = 3,607.44/x
  3. Step 3: Cross multiply
    6,260.55x = 8,640.48 × 3,607.44
  4. Step 4: Simplify right side
    6,260.55x = 31,170,013.17
  5. Step 5: Solve for x
    x = 31,170,013.17/6,260.55
  6. Step 6: Final answer
    x = 4,978.80

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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.