Home / 7,431.21-10,256.01-4,448.69

Finding the Fourth Proportional to 7,431.21, 10,256.01 and 4,448.69

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Solution

The fourth proportional to 7,431.21, 10,256.01 and 4,448.69 is: 6,139.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,431.21 : 10,256.01 = 4,448.69 : x
  2. Step 2: Convert to fraction form
    7,431.21/10,256.01 = 4,448.69/x
  3. Step 3: Cross multiply
    7,431.21x = 10,256.01 × 4,448.69
  4. Step 4: Simplify right side
    7,431.21x = 45,625,757.85
  5. Step 5: Solve for x
    x = 45,625,757.85/7,431.21
  6. Step 6: Final answer
    x = 6,139.75

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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.