Home / 7,438.74-10,265.04-4,453.89

Finding the Fourth Proportional to 7,438.74, 10,265.04 and 4,453.89

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Solution

The fourth proportional to 7,438.74, 10,265.04 and 4,453.89 is: 6,146.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,438.74 : 10,265.04 = 4,453.89 : x
  2. Step 2: Convert to fraction form
    7,438.74/10,265.04 = 4,453.89/x
  3. Step 3: Cross multiply
    7,438.74x = 10,265.04 × 4,453.89
  4. Step 4: Simplify right side
    7,438.74x = 45,719,359.01
  5. Step 5: Solve for x
    x = 45,719,359.01/7,438.74
  6. Step 6: Final answer
    x = 6,146.12

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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.