Home / 6,485.51-9,727.71-1,741.28

Finding the Fourth Proportional to 6,485.51, 9,727.71 and 1,741.28

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Solution

The fourth proportional to 6,485.51, 9,727.71 and 1,741.28 is: 2,611.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,485.51 : 9,727.71 = 1,741.28 : x
  2. Step 2: Convert to fraction form
    6,485.51/9,727.71 = 1,741.28/x
  3. Step 3: Cross multiply
    6,485.51x = 9,727.71 × 1,741.28
  4. Step 4: Simplify right side
    6,485.51x = 16,938,618.23
  5. Step 5: Solve for x
    x = 16,938,618.23/6,485.51
  6. Step 6: Final answer
    x = 2,611.77

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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.