Home / 7,035.20-10,545.60-3,910.40

Finding the Fourth Proportional to 7,035.20, 10,545.60 and 3,910.40

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Solution

The fourth proportional to 7,035.20, 10,545.60 and 3,910.40 is: 5,861.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,035.20 : 10,545.60 = 3,910.40 : x
  2. Step 2: Convert to fraction form
    7,035.20/10,545.60 = 3,910.40/x
  3. Step 3: Cross multiply
    7,035.20x = 10,545.60 × 3,910.40
  4. Step 4: Simplify right side
    7,035.20x = 41,237,514.24
  5. Step 5: Solve for x
    x = 41,237,514.24/7,035.20
  6. Step 6: Final answer
    x = 5,861.60

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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.