Home / 6,003.80-9,005.40-1,621.16

Finding the Fourth Proportional to 6,003.80, 9,005.40 and 1,621.16

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Solution

The fourth proportional to 6,003.80, 9,005.40 and 1,621.16 is: 2,431.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,003.80 : 9,005.40 = 1,621.16 : x
  2. Step 2: Convert to fraction form
    6,003.80/9,005.40 = 1,621.16/x
  3. Step 3: Cross multiply
    6,003.80x = 9,005.40 × 1,621.16
  4. Step 4: Simplify right side
    6,003.80x = 14,599,194.26
  5. Step 5: Solve for x
    x = 14,599,194.26/6,003.80
  6. Step 6: Final answer
    x = 2,431.66

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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.