Home / 7,435.59-10,257.21-4,450.55

Finding the Fourth Proportional to 7,435.59, 10,257.21 and 4,450.55

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Solution

The fourth proportional to 7,435.59, 10,257.21 and 4,450.55 is: 6,139.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,435.59 : 10,257.21 = 4,450.55 : x
  2. Step 2: Convert to fraction form
    7,435.59/10,257.21 = 4,450.55/x
  3. Step 3: Cross multiply
    7,435.59x = 10,257.21 × 4,450.55
  4. Step 4: Simplify right side
    7,435.59x = 45,650,174.68
  5. Step 5: Solve for x
    x = 45,650,174.68/7,435.59
  6. Step 6: Final answer
    x = 6,139.42

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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.