Home / 7,530.35-10,391.04-4,172.33

Finding the Fourth Proportional to 7,530.35, 10,391.04 and 4,172.33

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Solution

The fourth proportional to 7,530.35, 10,391.04 and 4,172.33 is: 5,757.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,530.35 : 10,391.04 = 4,172.33 : x
  2. Step 2: Convert to fraction form
    7,530.35/10,391.04 = 4,172.33/x
  3. Step 3: Cross multiply
    7,530.35x = 10,391.04 × 4,172.33
  4. Step 4: Simplify right side
    7,530.35x = 43,354,847.92
  5. Step 5: Solve for x
    x = 43,354,847.92/7,530.35
  6. Step 6: Final answer
    x = 5,757.35

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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.