Home / 5,465.40-8,198.10-4,795.80

Finding the Fourth Proportional to 5,465.40, 8,198.10 and 4,795.80

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Solution

The fourth proportional to 5,465.40, 8,198.10 and 4,795.80 is: 7,193.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,465.40 : 8,198.10 = 4,795.80 : x
  2. Step 2: Convert to fraction form
    5,465.40/8,198.10 = 4,795.80/x
  3. Step 3: Cross multiply
    5,465.40x = 8,198.10 × 4,795.80
  4. Step 4: Simplify right side
    5,465.40x = 39,316,447.98
  5. Step 5: Solve for x
    x = 39,316,447.98/5,465.40
  6. Step 6: Final answer
    x = 7,193.70

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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.