Home / 4,431.72-6,647.42-1,657.46

Finding the Fourth Proportional to 4,431.72, 6,647.42 and 1,657.46

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Solution

The fourth proportional to 4,431.72, 6,647.42 and 1,657.46 is: 2,486.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431.72 : 6,647.42 = 1,657.46 : x
  2. Step 2: Convert to fraction form
    4,431.72/6,647.42 = 1,657.46/x
  3. Step 3: Cross multiply
    4,431.72x = 6,647.42 × 1,657.46
  4. Step 4: Simplify right side
    4,431.72x = 11,017,832.75
  5. Step 5: Solve for x
    x = 11,017,832.75/4,431.72
  6. Step 6: Final answer
    x = 2,486.13

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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.