Home / 5,634.81-8,451.81-2,515.10

Finding the Fourth Proportional to 5,634.81, 8,451.81 and 2,515.10

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Solution

The fourth proportional to 5,634.81, 8,451.81 and 2,515.10 is: 3,772.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,634.81 : 8,451.81 = 2,515.10 : x
  2. Step 2: Convert to fraction form
    5,634.81/8,451.81 = 2,515.10/x
  3. Step 3: Cross multiply
    5,634.81x = 8,451.81 × 2,515.10
  4. Step 4: Simplify right side
    5,634.81x = 21,257,105.07
  5. Step 5: Solve for x
    x = 21,257,105.07/5,634.81
  6. Step 6: Final answer
    x = 3,772.46

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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.