Home / 8,378.28-12,567.78-2,534.94

Finding the Fourth Proportional to 8,378.28, 12,567.78 and 2,534.94

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Solution

The fourth proportional to 8,378.28, 12,567.78 and 2,534.94 is: 3,802.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,378.28 : 12,567.78 = 2,534.94 : x
  2. Step 2: Convert to fraction form
    8,378.28/12,567.78 = 2,534.94/x
  3. Step 3: Cross multiply
    8,378.28x = 12,567.78 × 2,534.94
  4. Step 4: Simplify right side
    8,378.28x = 31,858,568.23
  5. Step 5: Solve for x
    x = 31,858,568.23/8,378.28
  6. Step 6: Final answer
    x = 3,802.52

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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.