Home / 6,411.12-9,619.38-2,518.26

Finding the Fourth Proportional to 6,411.12, 9,619.38 and 2,518.26

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Solution

The fourth proportional to 6,411.12, 9,619.38 and 2,518.26 is: 3,778.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,411.12 : 9,619.38 = 2,518.26 : x
  2. Step 2: Convert to fraction form
    6,411.12/9,619.38 = 2,518.26/x
  3. Step 3: Cross multiply
    6,411.12x = 9,619.38 × 2,518.26
  4. Step 4: Simplify right side
    6,411.12x = 24,224,099.88
  5. Step 5: Solve for x
    x = 24,224,099.88/6,411.12
  6. Step 6: Final answer
    x = 3,778.45

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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.