Home / 5,447.81-8,171.69-1,552.21

Finding the Fourth Proportional to 5,447.81, 8,171.69 and 1,552.21

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Solution

The fourth proportional to 5,447.81, 8,171.69 and 1,552.21 is: 2,328.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.81 : 8,171.69 = 1,552.21 : x
  2. Step 2: Convert to fraction form
    5,447.81/8,171.69 = 1,552.21/x
  3. Step 3: Cross multiply
    5,447.81x = 8,171.69 × 1,552.21
  4. Step 4: Simplify right side
    5,447.81x = 12,684,178.93
  5. Step 5: Solve for x
    x = 12,684,178.93/5,447.81
  6. Step 6: Final answer
    x = 2,328.31

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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.