Home / 5,079.04-7,621.47-2,739.03

Finding the Fourth Proportional to 5,079.04, 7,621.47 and 2,739.03

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Solution

The fourth proportional to 5,079.04, 7,621.47 and 2,739.03 is: 4,110.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,079.04 : 7,621.47 = 2,739.03 : x
  2. Step 2: Convert to fraction form
    5,079.04/7,621.47 = 2,739.03/x
  3. Step 3: Cross multiply
    5,079.04x = 7,621.47 × 2,739.03
  4. Step 4: Simplify right side
    5,079.04x = 20,875,409.41
  5. Step 5: Solve for x
    x = 20,875,409.41/5,079.04
  6. Step 6: Final answer
    x = 4,110.11

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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.