Home / 6,749.32-10,130.46-3,289

Finding the Fourth Proportional to 6,749.32, 10,130.46 and 3,289

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Solution

The fourth proportional to 6,749.32, 10,130.46 and 3,289 is: 4,936.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,749.32 : 10,130.46 = 3,289 : x
  2. Step 2: Convert to fraction form
    6,749.32/10,130.46 = 3,289/x
  3. Step 3: Cross multiply
    6,749.32x = 10,130.46 × 3,289
  4. Step 4: Simplify right side
    6,749.32x = 33,319,082.94
  5. Step 5: Solve for x
    x = 33,319,082.94/6,749.32
  6. Step 6: Final answer
    x = 4,936.66

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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.