Home / 5,540.63-8,310.95-1,436.63

Finding the Fourth Proportional to 5,540.63, 8,310.95 and 1,436.63

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Solution

The fourth proportional to 5,540.63, 8,310.95 and 1,436.63 is: 2,154.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.63 : 8,310.95 = 1,436.63 : x
  2. Step 2: Convert to fraction form
    5,540.63/8,310.95 = 1,436.63/x
  3. Step 3: Cross multiply
    5,540.63x = 8,310.95 × 1,436.63
  4. Step 4: Simplify right side
    5,540.63x = 11,939,711.36
  5. Step 5: Solve for x
    x = 11,939,711.36/5,540.63
  6. Step 6: Final answer
    x = 2,154.94

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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.