Home / 4,990.02-6,886.10-2,751.87

Finding the Fourth Proportional to 4,990.02, 6,886.10 and 2,751.87

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Solution

The fourth proportional to 4,990.02, 6,886.10 and 2,751.87 is: 3,797.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.02 : 6,886.10 = 2,751.87 : x
  2. Step 2: Convert to fraction form
    4,990.02/6,886.10 = 2,751.87/x
  3. Step 3: Cross multiply
    4,990.02x = 6,886.10 × 2,751.87
  4. Step 4: Simplify right side
    4,990.02x = 18,949,617.58
  5. Step 5: Solve for x
    x = 18,949,617.58/4,990.02
  6. Step 6: Final answer
    x = 3,797.50

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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.