Home / 9,021.80-12,450.04-5,042.91

Finding the Fourth Proportional to 9,021.80, 12,450.04 and 5,042.91

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Solution

The fourth proportional to 9,021.80, 12,450.04 and 5,042.91 is: 6,959.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.80 : 12,450.04 = 5,042.91 : x
  2. Step 2: Convert to fraction form
    9,021.80/12,450.04 = 5,042.91/x
  3. Step 3: Cross multiply
    9,021.80x = 12,450.04 × 5,042.91
  4. Step 4: Simplify right side
    9,021.80x = 62,784,431.22
  5. Step 5: Solve for x
    x = 62,784,431.22/9,021.80
  6. Step 6: Final answer
    x = 6,959.19

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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.