Home / 8,420.01-12,634.29-5,970.57

Finding the Fourth Proportional to 8,420.01, 12,634.29 and 5,970.57

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Solution

The fourth proportional to 8,420.01, 12,634.29 and 5,970.57 is: 8,958.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,420.01 : 12,634.29 = 5,970.57 : x
  2. Step 2: Convert to fraction form
    8,420.01/12,634.29 = 5,970.57/x
  3. Step 3: Cross multiply
    8,420.01x = 12,634.29 × 5,970.57
  4. Step 4: Simplify right side
    8,420.01x = 75,433,912.85
  5. Step 5: Solve for x
    x = 75,433,912.85/8,420.01
  6. Step 6: Final answer
    x = 8,958.89

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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.