Home / 5,447.08-8,171.88-1,551.52

Finding the Fourth Proportional to 5,447.08, 8,171.88 and 1,551.52

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Solution

The fourth proportional to 5,447.08, 8,171.88 and 1,551.52 is: 2,327.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.08 : 8,171.88 = 1,551.52 : x
  2. Step 2: Convert to fraction form
    5,447.08/8,171.88 = 1,551.52/x
  3. Step 3: Cross multiply
    5,447.08x = 8,171.88 × 1,551.52
  4. Step 4: Simplify right side
    5,447.08x = 12,678,835.26
  5. Step 5: Solve for x
    x = 12,678,835.26/5,447.08
  6. Step 6: Final answer
    x = 2,327.64

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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.