Home / 7,739.70-10,676.79-4,902.30

Finding the Fourth Proportional to 7,739.70, 10,676.79 and 4,902.30

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Solution

The fourth proportional to 7,739.70, 10,676.79 and 4,902.30 is: 6,762.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739.70 : 10,676.79 = 4,902.30 : x
  2. Step 2: Convert to fraction form
    7,739.70/10,676.79 = 4,902.30/x
  3. Step 3: Cross multiply
    7,739.70x = 10,676.79 × 4,902.30
  4. Step 4: Simplify right side
    7,739.70x = 52,340,827.62
  5. Step 5: Solve for x
    x = 52,340,827.62/7,739.70
  6. Step 6: Final answer
    x = 6,762.64

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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.