Home / 7,808.60-10,775.40-4,450.94

Finding the Fourth Proportional to 7,808.60, 10,775.40 and 4,450.94

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Solution

The fourth proportional to 7,808.60, 10,775.40 and 4,450.94 is: 6,142.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,808.60 : 10,775.40 = 4,450.94 : x
  2. Step 2: Convert to fraction form
    7,808.60/10,775.40 = 4,450.94/x
  3. Step 3: Cross multiply
    7,808.60x = 10,775.40 × 4,450.94
  4. Step 4: Simplify right side
    7,808.60x = 47,960,658.88
  5. Step 5: Solve for x
    x = 47,960,658.88/7,808.60
  6. Step 6: Final answer
    x = 6,142.03

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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.