Home / 5,099.45-7,642.72-2,909.41

Finding the Fourth Proportional to 5,099.45, 7,642.72 and 2,909.41

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Solution

The fourth proportional to 5,099.45, 7,642.72 and 2,909.41 is: 4,360.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,099.45 : 7,642.72 = 2,909.41 : x
  2. Step 2: Convert to fraction form
    5,099.45/7,642.72 = 2,909.41/x
  3. Step 3: Cross multiply
    5,099.45x = 7,642.72 × 2,909.41
  4. Step 4: Simplify right side
    5,099.45x = 22,235,806.00
  5. Step 5: Solve for x
    x = 22,235,806.00/5,099.45
  6. Step 6: Final answer
    x = 4,360.43

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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.