Home / 4,990.45-6,886.73-2,752.54

Finding the Fourth Proportional to 4,990.45, 6,886.73 and 2,752.54

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Solution

The fourth proportional to 4,990.45, 6,886.73 and 2,752.54 is: 3,798.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.45 : 6,886.73 = 2,752.54 : x
  2. Step 2: Convert to fraction form
    4,990.45/6,886.73 = 2,752.54/x
  3. Step 3: Cross multiply
    4,990.45x = 6,886.73 × 2,752.54
  4. Step 4: Simplify right side
    4,990.45x = 18,955,968.81
  5. Step 5: Solve for x
    x = 18,955,968.81/4,990.45
  6. Step 6: Final answer
    x = 3,798.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.