Home / 5,400.34-8,100.35-2,950.67

Finding the Fourth Proportional to 5,400.34, 8,100.35 and 2,950.67

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Solution

The fourth proportional to 5,400.34, 8,100.35 and 2,950.67 is: 4,425.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.34 : 8,100.35 = 2,950.67 : x
  2. Step 2: Convert to fraction form
    5,400.34/8,100.35 = 2,950.67/x
  3. Step 3: Cross multiply
    5,400.34x = 8,100.35 × 2,950.67
  4. Step 4: Simplify right side
    5,400.34x = 23,901,465.23
  5. Step 5: Solve for x
    x = 23,901,465.23/5,400.34
  6. Step 6: Final answer
    x = 4,425.92

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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.