Home / 8,350.85-12,526.26-3,420.50

Finding the Fourth Proportional to 8,350.85, 12,526.26 and 3,420.50

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Solution

The fourth proportional to 8,350.85, 12,526.26 and 3,420.50 is: 5,130.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,350.85 : 12,526.26 = 3,420.50 : x
  2. Step 2: Convert to fraction form
    8,350.85/12,526.26 = 3,420.50/x
  3. Step 3: Cross multiply
    8,350.85x = 12,526.26 × 3,420.50
  4. Step 4: Simplify right side
    8,350.85x = 42,846,016.11
  5. Step 5: Solve for x
    x = 42,846,016.11/8,350.85
  6. Step 6: Final answer
    x = 5,130.74

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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.