Home / 6,487.26-9,715.77-5,021.70

Finding the Fourth Proportional to 6,487.26, 9,715.77 and 5,021.70

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Solution

The fourth proportional to 6,487.26, 9,715.77 and 5,021.70 is: 7,520.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,487.26 : 9,715.77 = 5,021.70 : x
  2. Step 2: Convert to fraction form
    6,487.26/9,715.77 = 5,021.70/x
  3. Step 3: Cross multiply
    6,487.26x = 9,715.77 × 5,021.70
  4. Step 4: Simplify right side
    6,487.26x = 48,789,682.21
  5. Step 5: Solve for x
    x = 48,789,682.21/6,487.26
  6. Step 6: Final answer
    x = 7,520.85

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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.