Home / 5,636.70-8,442.90-5,021.10

Finding the Fourth Proportional to 5,636.70, 8,442.90 and 5,021.10

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Solution

The fourth proportional to 5,636.70, 8,442.90 and 5,021.10 is: 7,520.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,636.70 : 8,442.90 = 5,021.10 : x
  2. Step 2: Convert to fraction form
    5,636.70/8,442.90 = 5,021.10/x
  3. Step 3: Cross multiply
    5,636.70x = 8,442.90 × 5,021.10
  4. Step 4: Simplify right side
    5,636.70x = 42,392,645.19
  5. Step 5: Solve for x
    x = 42,392,645.19/5,636.70
  6. Step 6: Final answer
    x = 7,520.83

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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.