Home / 7,300.21-10,073.68-4,112.49

Finding the Fourth Proportional to 7,300.21, 10,073.68 and 4,112.49

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Solution

The fourth proportional to 7,300.21, 10,073.68 and 4,112.49 is: 5,674.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,300.21 : 10,073.68 = 4,112.49 : x
  2. Step 2: Convert to fraction form
    7,300.21/10,073.68 = 4,112.49/x
  3. Step 3: Cross multiply
    7,300.21x = 10,073.68 × 4,112.49
  4. Step 4: Simplify right side
    7,300.21x = 41,427,908.26
  5. Step 5: Solve for x
    x = 41,427,908.26/7,300.21
  6. Step 6: Final answer
    x = 5,674.89

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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.