Home / 8,250.77-11,387.64-6,454.67

Finding the Fourth Proportional to 8,250.77, 11,387.64 and 6,454.67

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Solution

The fourth proportional to 8,250.77, 11,387.64 and 6,454.67 is: 8,908.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,250.77 : 11,387.64 = 6,454.67 : x
  2. Step 2: Convert to fraction form
    8,250.77/11,387.64 = 6,454.67/x
  3. Step 3: Cross multiply
    8,250.77x = 11,387.64 × 6,454.67
  4. Step 4: Simplify right side
    8,250.77x = 73,503,458.28
  5. Step 5: Solve for x
    x = 73,503,458.28/8,250.77
  6. Step 6: Final answer
    x = 8,908.68

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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.