Home / 5,621.61-7,760.93-3,384.04

Finding the Fourth Proportional to 5,621.61, 7,760.93 and 3,384.04

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Solution

The fourth proportional to 5,621.61, 7,760.93 and 3,384.04 is: 4,671.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,621.61 : 7,760.93 = 3,384.04 : x
  2. Step 2: Convert to fraction form
    5,621.61/7,760.93 = 3,384.04/x
  3. Step 3: Cross multiply
    5,621.61x = 7,760.93 × 3,384.04
  4. Step 4: Simplify right side
    5,621.61x = 26,263,241.83
  5. Step 5: Solve for x
    x = 26,263,241.83/5,621.61
  6. Step 6: Final answer
    x = 4,671.84

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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.