Home / 4,280.37-6,421.08-1,647.27

Finding the Fourth Proportional to 4,280.37, 6,421.08 and 1,647.27

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Solution

The fourth proportional to 4,280.37, 6,421.08 and 1,647.27 is: 2,471.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280.37 : 6,421.08 = 1,647.27 : x
  2. Step 2: Convert to fraction form
    4,280.37/6,421.08 = 1,647.27/x
  3. Step 3: Cross multiply
    4,280.37x = 6,421.08 × 1,647.27
  4. Step 4: Simplify right side
    4,280.37x = 10,577,252.45
  5. Step 5: Solve for x
    x = 10,577,252.45/4,280.37
  6. Step 6: Final answer
    x = 2,471.11

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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.