Home / 4,429.47-6,638.23-2,455.02

Finding the Fourth Proportional to 4,429.47, 6,638.23 and 2,455.02

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Solution

The fourth proportional to 4,429.47, 6,638.23 and 2,455.02 is: 3,679.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,429.47 : 6,638.23 = 2,455.02 : x
  2. Step 2: Convert to fraction form
    4,429.47/6,638.23 = 2,455.02/x
  3. Step 3: Cross multiply
    4,429.47x = 6,638.23 × 2,455.02
  4. Step 4: Simplify right side
    4,429.47x = 16,296,992.91
  5. Step 5: Solve for x
    x = 16,296,992.91/4,429.47
  6. Step 6: Final answer
    x = 3,679.22

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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.