Home / 6,650.32-9,181.85-5,135.14

Finding the Fourth Proportional to 6,650.32, 9,181.85 and 5,135.14

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Solution

The fourth proportional to 6,650.32, 9,181.85 and 5,135.14 is: 7,089.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,650.32 : 9,181.85 = 5,135.14 : x
  2. Step 2: Convert to fraction form
    6,650.32/9,181.85 = 5,135.14/x
  3. Step 3: Cross multiply
    6,650.32x = 9,181.85 × 5,135.14
  4. Step 4: Simplify right side
    6,650.32x = 47,150,085.21
  5. Step 5: Solve for x
    x = 47,150,085.21/6,650.32
  6. Step 6: Final answer
    x = 7,089.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.