Home / 6,021.12-9,030.77-1,638.92

Finding the Fourth Proportional to 6,021.12, 9,030.77 and 1,638.92

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Solution

The fourth proportional to 6,021.12, 9,030.77 and 1,638.92 is: 2,458.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,021.12 : 9,030.77 = 1,638.92 : x
  2. Step 2: Convert to fraction form
    6,021.12/9,030.77 = 1,638.92/x
  3. Step 3: Cross multiply
    6,021.12x = 9,030.77 × 1,638.92
  4. Step 4: Simplify right side
    6,021.12x = 14,800,709.57
  5. Step 5: Solve for x
    x = 14,800,709.57/6,021.12
  6. Step 6: Final answer
    x = 2,458.13

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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.