Home / 6,459.20-9,676.77-5,425.91

Finding the Fourth Proportional to 6,459.20, 9,676.77 and 5,425.91

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Solution

The fourth proportional to 6,459.20, 9,676.77 and 5,425.91 is: 8,128.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,459.20 : 9,676.77 = 5,425.91 : x
  2. Step 2: Convert to fraction form
    6,459.20/9,676.77 = 5,425.91/x
  3. Step 3: Cross multiply
    6,459.20x = 9,676.77 × 5,425.91
  4. Step 4: Simplify right side
    6,459.20x = 52,505,283.11
  5. Step 5: Solve for x
    x = 52,505,283.11/6,459.20
  6. Step 6: Final answer
    x = 8,128.76

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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.