Home / 4,990.10-7,482.99-2,649.60

Finding the Fourth Proportional to 4,990.10, 7,482.99 and 2,649.60

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Solution

The fourth proportional to 4,990.10, 7,482.99 and 2,649.60 is: 3,973.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.10 : 7,482.99 = 2,649.60 : x
  2. Step 2: Convert to fraction form
    4,990.10/7,482.99 = 2,649.60/x
  3. Step 3: Cross multiply
    4,990.10x = 7,482.99 × 2,649.60
  4. Step 4: Simplify right side
    4,990.10x = 19,826,930.30
  5. Step 5: Solve for x
    x = 19,826,930.30/4,990.10
  6. Step 6: Final answer
    x = 3,973.25

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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.