Home / 4,443.72-6,666.80-2,103.60

Finding the Fourth Proportional to 4,443.72, 6,666.80 and 2,103.60

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Solution

The fourth proportional to 4,443.72, 6,666.80 and 2,103.60 is: 3,155.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,443.72 : 6,666.80 = 2,103.60 : x
  2. Step 2: Convert to fraction form
    4,443.72/6,666.80 = 2,103.60/x
  3. Step 3: Cross multiply
    4,443.72x = 6,666.80 × 2,103.60
  4. Step 4: Simplify right side
    4,443.72x = 14,024,280.48
  5. Step 5: Solve for x
    x = 14,024,280.48/4,443.72
  6. Step 6: Final answer
    x = 3,155.98

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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.