Home / 7,099.40-10,649.58-2,169.44

Finding the Fourth Proportional to 7,099.40, 10,649.58 and 2,169.44

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Solution

The fourth proportional to 7,099.40, 10,649.58 and 2,169.44 is: 3,254.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,099.40 : 10,649.58 = 2,169.44 : x
  2. Step 2: Convert to fraction form
    7,099.40/10,649.58 = 2,169.44/x
  3. Step 3: Cross multiply
    7,099.40x = 10,649.58 × 2,169.44
  4. Step 4: Simplify right side
    7,099.40x = 23,103,624.84
  5. Step 5: Solve for x
    x = 23,103,624.84/7,099.40
  6. Step 6: Final answer
    x = 3,254.31

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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.