Home / 8,635.41-12,955.55-2,792.48

Finding the Fourth Proportional to 8,635.41, 12,955.55 and 2,792.48

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Solution

The fourth proportional to 8,635.41, 12,955.55 and 2,792.48 is: 4,189.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,635.41 : 12,955.55 = 2,792.48 : x
  2. Step 2: Convert to fraction form
    8,635.41/12,955.55 = 2,792.48/x
  3. Step 3: Cross multiply
    8,635.41x = 12,955.55 × 2,792.48
  4. Step 4: Simplify right side
    8,635.41x = 36,178,035.52
  5. Step 5: Solve for x
    x = 36,178,035.52/8,635.41
  6. Step 6: Final answer
    x = 4,189.50

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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.