Home / 9,021.87-12,438.77-5,829.75

Finding the Fourth Proportional to 9,021.87, 12,438.77 and 5,829.75

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Solution

The fourth proportional to 9,021.87, 12,438.77 and 5,829.75 is: 8,037.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.87 : 12,438.77 = 5,829.75 : x
  2. Step 2: Convert to fraction form
    9,021.87/12,438.77 = 5,829.75/x
  3. Step 3: Cross multiply
    9,021.87x = 12,438.77 × 5,829.75
  4. Step 4: Simplify right side
    9,021.87x = 72,514,890.26
  5. Step 5: Solve for x
    x = 72,514,890.26/9,021.87
  6. Step 6: Final answer
    x = 8,037.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.