Home / 5,768.21-8,654.32-1,820.07

Finding the Fourth Proportional to 5,768.21, 8,654.32 and 1,820.07

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Solution

The fourth proportional to 5,768.21, 8,654.32 and 1,820.07 is: 2,730.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,768.21 : 8,654.32 = 1,820.07 : x
  2. Step 2: Convert to fraction form
    5,768.21/8,654.32 = 1,820.07/x
  3. Step 3: Cross multiply
    5,768.21x = 8,654.32 × 1,820.07
  4. Step 4: Simplify right side
    5,768.21x = 15,751,485.29
  5. Step 5: Solve for x
    x = 15,751,485.29/5,768.21
  6. Step 6: Final answer
    x = 2,730.74

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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.