Home / 7,550.94-11,326.36-6,429.90

Finding the Fourth Proportional to 7,550.94, 11,326.36 and 6,429.90

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Solution

The fourth proportional to 7,550.94, 11,326.36 and 6,429.90 is: 9,644.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,550.94 : 11,326.36 = 6,429.90 : x
  2. Step 2: Convert to fraction form
    7,550.94/11,326.36 = 6,429.90/x
  3. Step 3: Cross multiply
    7,550.94x = 11,326.36 × 6,429.90
  4. Step 4: Simplify right side
    7,550.94x = 72,827,362.16
  5. Step 5: Solve for x
    x = 72,827,362.16/7,550.94
  6. Step 6: Final answer
    x = 9,644.81

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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.