Home / 6,429.04-8,871.21-3,739.52

Finding the Fourth Proportional to 6,429.04, 8,871.21 and 3,739.52

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Solution

The fourth proportional to 6,429.04, 8,871.21 and 3,739.52 is: 5,160.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,429.04 : 8,871.21 = 3,739.52 : x
  2. Step 2: Convert to fraction form
    6,429.04/8,871.21 = 3,739.52/x
  3. Step 3: Cross multiply
    6,429.04x = 8,871.21 × 3,739.52
  4. Step 4: Simplify right side
    6,429.04x = 33,174,089.40
  5. Step 5: Solve for x
    x = 33,174,089.40/6,429.04
  6. Step 6: Final answer
    x = 5,160.04

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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.