Home / 5,447.16-8,170.92-1,551.60

Finding the Fourth Proportional to 5,447.16, 8,170.92 and 1,551.60

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Solution

The fourth proportional to 5,447.16, 8,170.92 and 1,551.60 is: 2,327.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,447.16 : 8,170.92 = 1,551.60 : x
  2. Step 2: Convert to fraction form
    5,447.16/8,170.92 = 1,551.60/x
  3. Step 3: Cross multiply
    5,447.16x = 8,170.92 × 1,551.60
  4. Step 4: Simplify right side
    5,447.16x = 12,677,999.47
  5. Step 5: Solve for x
    x = 12,677,999.47/5,447.16
  6. Step 6: Final answer
    x = 2,327.45

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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.