Home / 4,431.22-6,647.01-1,657.61

Finding the Fourth Proportional to 4,431.22, 6,647.01 and 1,657.61

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Solution

The fourth proportional to 4,431.22, 6,647.01 and 1,657.61 is: 2,486.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431.22 : 6,647.01 = 1,657.61 : x
  2. Step 2: Convert to fraction form
    4,431.22/6,647.01 = 1,657.61/x
  3. Step 3: Cross multiply
    4,431.22x = 6,647.01 × 1,657.61
  4. Step 4: Simplify right side
    4,431.22x = 11,018,150.25
  5. Step 5: Solve for x
    x = 11,018,150.25/4,431.22
  6. Step 6: Final answer
    x = 2,486.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.