Home / 5,447.75-8,171.45-1,552.16

Finding the Fourth Proportional to 5,447.75, 8,171.45 and 1,552.16

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Solution

The fourth proportional to 5,447.75, 8,171.45 and 1,552.16 is: 2,328.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.75 : 8,171.45 = 1,552.16 : x
  2. Step 2: Convert to fraction form
    5,447.75/8,171.45 = 1,552.16/x
  3. Step 3: Cross multiply
    5,447.75x = 8,171.45 × 1,552.16
  4. Step 4: Simplify right side
    5,447.75x = 12,683,349.21
  5. Step 5: Solve for x
    x = 12,683,349.21/5,447.75
  6. Step 6: Final answer
    x = 2,328.18

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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.