Home / 4,990.43-6,886.76-2,752.30

Finding the Fourth Proportional to 4,990.43, 6,886.76 and 2,752.30

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Solution

The fourth proportional to 4,990.43, 6,886.76 and 2,752.30 is: 3,798.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.43 : 6,886.76 = 2,752.30 : x
  2. Step 2: Convert to fraction form
    4,990.43/6,886.76 = 2,752.30/x
  3. Step 3: Cross multiply
    4,990.43x = 6,886.76 × 2,752.30
  4. Step 4: Simplify right side
    4,990.43x = 18,954,429.55
  5. Step 5: Solve for x
    x = 18,954,429.55/4,990.43
  6. Step 6: Final answer
    x = 3,798.16

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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.