Home / 5,409.70-8,114.58-3,070.42

Finding the Fourth Proportional to 5,409.70, 8,114.58 and 3,070.42

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Solution

The fourth proportional to 5,409.70, 8,114.58 and 3,070.42 is: 4,605.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409.70 : 8,114.58 = 3,070.42 : x
  2. Step 2: Convert to fraction form
    5,409.70/8,114.58 = 3,070.42/x
  3. Step 3: Cross multiply
    5,409.70x = 8,114.58 × 3,070.42
  4. Step 4: Simplify right side
    5,409.70x = 24,915,168.72
  5. Step 5: Solve for x
    x = 24,915,168.72/5,409.70
  6. Step 6: Final answer
    x = 4,605.65

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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.