Home / 7,107.07-9,807.46-4,123.03

Finding the Fourth Proportional to 7,107.07, 9,807.46 and 4,123.03

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Solution

The fourth proportional to 7,107.07, 9,807.46 and 4,123.03 is: 5,689.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,107.07 : 9,807.46 = 4,123.03 : x
  2. Step 2: Convert to fraction form
    7,107.07/9,807.46 = 4,123.03/x
  3. Step 3: Cross multiply
    7,107.07x = 9,807.46 × 4,123.03
  4. Step 4: Simplify right side
    7,107.07x = 40,436,451.80
  5. Step 5: Solve for x
    x = 40,436,451.80/7,107.07
  6. Step 6: Final answer
    x = 5,689.61

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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.