Home / 7,438.14-10,263.60-4,453.38

Finding the Fourth Proportional to 7,438.14, 10,263.60 and 4,453.38

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Solution

The fourth proportional to 7,438.14, 10,263.60 and 4,453.38 is: 6,145.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.14 : 10,263.60 = 4,453.38 : x
  2. Step 2: Convert to fraction form
    7,438.14/10,263.60 = 4,453.38/x
  3. Step 3: Cross multiply
    7,438.14x = 10,263.60 × 4,453.38
  4. Step 4: Simplify right side
    7,438.14x = 45,707,710.97
  5. Step 5: Solve for x
    x = 45,707,710.97/7,438.14
  6. Step 6: Final answer
    x = 6,145.05

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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.