Home / 4,990.27-7,483.73-1,657.88

Finding the Fourth Proportional to 4,990.27, 7,483.73 and 1,657.88

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Solution

The fourth proportional to 4,990.27, 7,483.73 and 1,657.88 is: 2,486.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.27 : 7,483.73 = 1,657.88 : x
  2. Step 2: Convert to fraction form
    4,990.27/7,483.73 = 1,657.88/x
  3. Step 3: Cross multiply
    4,990.27x = 7,483.73 × 1,657.88
  4. Step 4: Simplify right side
    4,990.27x = 12,407,126.29
  5. Step 5: Solve for x
    x = 12,407,126.29/4,990.27
  6. Step 6: Final answer
    x = 2,486.27

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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.