Home / 5,475.34-8,214.82-1,777.68

Finding the Fourth Proportional to 5,475.34, 8,214.82 and 1,777.68

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Solution

The fourth proportional to 5,475.34, 8,214.82 and 1,777.68 is: 2,667.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.34 : 8,214.82 = 1,777.68 : x
  2. Step 2: Convert to fraction form
    5,475.34/8,214.82 = 1,777.68/x
  3. Step 3: Cross multiply
    5,475.34x = 8,214.82 × 1,777.68
  4. Step 4: Simplify right side
    5,475.34x = 14,603,321.22
  5. Step 5: Solve for x
    x = 14,603,321.22/5,475.34
  6. Step 6: Final answer
    x = 2,667.11

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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.