Home / 4,431.56-6,646.57-1,657.66

Finding the Fourth Proportional to 4,431.56, 6,646.57 and 1,657.66

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Solution

The fourth proportional to 4,431.56, 6,646.57 and 1,657.66 is: 2,486.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431.56 : 6,646.57 = 1,657.66 : x
  2. Step 2: Convert to fraction form
    4,431.56/6,646.57 = 1,657.66/x
  3. Step 3: Cross multiply
    4,431.56x = 6,646.57 × 1,657.66
  4. Step 4: Simplify right side
    4,431.56x = 11,017,753.23
  5. Step 5: Solve for x
    x = 11,017,753.23/4,431.56
  6. Step 6: Final answer
    x = 2,486.20

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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.