Home / 5,423.60-8,135.84-2,304.32

Finding the Fourth Proportional to 5,423.60, 8,135.84 and 2,304.32

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Solution

The fourth proportional to 5,423.60, 8,135.84 and 2,304.32 is: 3,456.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,423.60 : 8,135.84 = 2,304.32 : x
  2. Step 2: Convert to fraction form
    5,423.60/8,135.84 = 2,304.32/x
  3. Step 3: Cross multiply
    5,423.60x = 8,135.84 × 2,304.32
  4. Step 4: Simplify right side
    5,423.60x = 18,747,578.83
  5. Step 5: Solve for x
    x = 18,747,578.83/5,423.60
  6. Step 6: Final answer
    x = 3,456.67

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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.