Home / 5,420.29-8,130.44-4,604.27

Finding the Fourth Proportional to 5,420.29, 8,130.44 and 4,604.27

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Solution

The fourth proportional to 5,420.29, 8,130.44 and 4,604.27 is: 6,906.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,420.29 : 8,130.44 = 4,604.27 : x
  2. Step 2: Convert to fraction form
    5,420.29/8,130.44 = 4,604.27/x
  3. Step 3: Cross multiply
    5,420.29x = 8,130.44 × 4,604.27
  4. Step 4: Simplify right side
    5,420.29x = 37,434,740.98
  5. Step 5: Solve for x
    x = 37,434,740.98/5,420.29
  6. Step 6: Final answer
    x = 6,906.41

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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.