Home / 4,990.02-7,482.33-2,803.02

Finding the Fourth Proportional to 4,990.02, 7,482.33 and 2,803.02

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Solution

The fourth proportional to 4,990.02, 7,482.33 and 2,803.02 is: 4,203.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.02 : 7,482.33 = 2,803.02 : x
  2. Step 2: Convert to fraction form
    4,990.02/7,482.33 = 2,803.02/x
  3. Step 3: Cross multiply
    4,990.02x = 7,482.33 × 2,803.02
  4. Step 4: Simplify right side
    4,990.02x = 20,973,120.64
  5. Step 5: Solve for x
    x = 20,973,120.64/4,990.02
  6. Step 6: Final answer
    x = 4,203.01

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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.