Home / 4,990.58-7,485.66-1,701.78

Finding the Fourth Proportional to 4,990.58, 7,485.66 and 1,701.78

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Solution

The fourth proportional to 4,990.58, 7,485.66 and 1,701.78 is: 2,552.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.58 : 7,485.66 = 1,701.78 : x
  2. Step 2: Convert to fraction form
    4,990.58/7,485.66 = 1,701.78/x
  3. Step 3: Cross multiply
    4,990.58x = 7,485.66 × 1,701.78
  4. Step 4: Simplify right side
    4,990.58x = 12,738,946.47
  5. Step 5: Solve for x
    x = 12,738,946.47/4,990.58
  6. Step 6: Final answer
    x = 2,552.60

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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.