Home / 7,488.68-10,334.21-4,131.44

Finding the Fourth Proportional to 7,488.68, 10,334.21 and 4,131.44

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Solution

The fourth proportional to 7,488.68, 10,334.21 and 4,131.44 is: 5,701.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488.68 : 10,334.21 = 4,131.44 : x
  2. Step 2: Convert to fraction form
    7,488.68/10,334.21 = 4,131.44/x
  3. Step 3: Cross multiply
    7,488.68x = 10,334.21 × 4,131.44
  4. Step 4: Simplify right side
    7,488.68x = 42,695,096.23
  5. Step 5: Solve for x
    x = 42,695,096.23/7,488.68
  6. Step 6: Final answer
    x = 5,701.29

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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.