Home / 4,661.40-6,990.38-1,739.64

Finding the Fourth Proportional to 4,661.40, 6,990.38 and 1,739.64

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Solution

The fourth proportional to 4,661.40, 6,990.38 and 1,739.64 is: 2,608.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,661.40 : 6,990.38 = 1,739.64 : x
  2. Step 2: Convert to fraction form
    4,661.40/6,990.38 = 1,739.64/x
  3. Step 3: Cross multiply
    4,661.40x = 6,990.38 × 1,739.64
  4. Step 4: Simplify right side
    4,661.40x = 12,160,744.66
  5. Step 5: Solve for x
    x = 12,160,744.66/4,661.40
  6. Step 6: Final answer
    x = 2,608.82

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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.