Home / 6,990.51-10,485.86-2,060.25

Finding the Fourth Proportional to 6,990.51, 10,485.86 and 2,060.25

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Solution

The fourth proportional to 6,990.51, 10,485.86 and 2,060.25 is: 3,090.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,990.51 : 10,485.86 = 2,060.25 : x
  2. Step 2: Convert to fraction form
    6,990.51/10,485.86 = 2,060.25/x
  3. Step 3: Cross multiply
    6,990.51x = 10,485.86 × 2,060.25
  4. Step 4: Simplify right side
    6,990.51x = 21,603,443.44
  5. Step 5: Solve for x
    x = 21,603,443.44/6,990.51
  6. Step 6: Final answer
    x = 3,090.39

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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.