Home / 5,451.30-8,175.96-1,554.75

Finding the Fourth Proportional to 5,451.30, 8,175.96 and 1,554.75

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Solution

The fourth proportional to 5,451.30, 8,175.96 and 1,554.75 is: 2,331.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.30 : 8,175.96 = 1,554.75 : x
  2. Step 2: Convert to fraction form
    5,451.30/8,175.96 = 1,554.75/x
  3. Step 3: Cross multiply
    5,451.30x = 8,175.96 × 1,554.75
  4. Step 4: Simplify right side
    5,451.30x = 12,711,573.81
  5. Step 5: Solve for x
    x = 12,711,573.81/5,451.30
  6. Step 6: Final answer
    x = 2,331.84

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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.