Home / 7,187.77-10,774.35-5,452.75

Finding the Fourth Proportional to 7,187.77, 10,774.35 and 5,452.75

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Solution

The fourth proportional to 7,187.77, 10,774.35 and 5,452.75 is: 8,173.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,187.77 : 10,774.35 = 5,452.75 : x
  2. Step 2: Convert to fraction form
    7,187.77/10,774.35 = 5,452.75/x
  3. Step 3: Cross multiply
    7,187.77x = 10,774.35 × 5,452.75
  4. Step 4: Simplify right side
    7,187.77x = 58,749,836.96
  5. Step 5: Solve for x
    x = 58,749,836.96/7,187.77
  6. Step 6: Final answer
    x = 8,173.58

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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.