Home / 5,098.74-7,642.94-3,455.45

Finding the Fourth Proportional to 5,098.74, 7,642.94 and 3,455.45

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Solution

The fourth proportional to 5,098.74, 7,642.94 and 3,455.45 is: 5,179.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,098.74 : 7,642.94 = 3,455.45 : x
  2. Step 2: Convert to fraction form
    5,098.74/7,642.94 = 3,455.45/x
  3. Step 3: Cross multiply
    5,098.74x = 7,642.94 × 3,455.45
  4. Step 4: Simplify right side
    5,098.74x = 26,409,797.02
  5. Step 5: Solve for x
    x = 26,409,797.02/5,098.74
  6. Step 6: Final answer
    x = 5,179.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.