Home / 6,789.32-10,180.76-2,631.28

Finding the Fourth Proportional to 6,789.32, 10,180.76 and 2,631.28

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Solution

The fourth proportional to 6,789.32, 10,180.76 and 2,631.28 is: 3,945.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789.32 : 10,180.76 = 2,631.28 : x
  2. Step 2: Convert to fraction form
    6,789.32/10,180.76 = 2,631.28/x
  3. Step 3: Cross multiply
    6,789.32x = 10,180.76 × 2,631.28
  4. Step 4: Simplify right side
    6,789.32x = 26,788,430.17
  5. Step 5: Solve for x
    x = 26,788,430.17/6,789.32
  6. Step 6: Final answer
    x = 3,945.67

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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.