Home / 5,425.10-8,137.53-2,503.40

Finding the Fourth Proportional to 5,425.10, 8,137.53 and 2,503.40

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Solution

The fourth proportional to 5,425.10, 8,137.53 and 2,503.40 is: 3,755.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.10 : 8,137.53 = 2,503.40 : x
  2. Step 2: Convert to fraction form
    5,425.10/8,137.53 = 2,503.40/x
  3. Step 3: Cross multiply
    5,425.10x = 8,137.53 × 2,503.40
  4. Step 4: Simplify right side
    5,425.10x = 20,371,492.60
  5. Step 5: Solve for x
    x = 20,371,492.60/5,425.10
  6. Step 6: Final answer
    x = 3,755.04

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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.