Home / 5,622.70-8,428.65-4,372.60

Finding the Fourth Proportional to 5,622.70, 8,428.65 and 4,372.60

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Solution

The fourth proportional to 5,622.70, 8,428.65 and 4,372.60 is: 6,554.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,622.70 : 8,428.65 = 4,372.60 : x
  2. Step 2: Convert to fraction form
    5,622.70/8,428.65 = 4,372.60/x
  3. Step 3: Cross multiply
    5,622.70x = 8,428.65 × 4,372.60
  4. Step 4: Simplify right side
    5,622.70x = 36,855,114.99
  5. Step 5: Solve for x
    x = 36,855,114.99/5,622.70
  6. Step 6: Final answer
    x = 6,554.70

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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.