Home / 5,205.45-7,808.18-3,461.79

Finding the Fourth Proportional to 5,205.45, 7,808.18 and 3,461.79

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Solution

The fourth proportional to 5,205.45, 7,808.18 and 3,461.79 is: 5,192.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,205.45 : 7,808.18 = 3,461.79 : x
  2. Step 2: Convert to fraction form
    5,205.45/7,808.18 = 3,461.79/x
  3. Step 3: Cross multiply
    5,205.45x = 7,808.18 × 3,461.79
  4. Step 4: Simplify right side
    5,205.45x = 27,030,262.13
  5. Step 5: Solve for x
    x = 27,030,262.13/5,205.45
  6. Step 6: Final answer
    x = 5,192.69

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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.