Home / 8,724.48-13,087.80-2,883.12

Finding the Fourth Proportional to 8,724.48, 13,087.80 and 2,883.12

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Solution

The fourth proportional to 8,724.48, 13,087.80 and 2,883.12 is: 4,325.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,724.48 : 13,087.80 = 2,883.12 : x
  2. Step 2: Convert to fraction form
    8,724.48/13,087.80 = 2,883.12/x
  3. Step 3: Cross multiply
    8,724.48x = 13,087.80 × 2,883.12
  4. Step 4: Simplify right side
    8,724.48x = 37,733,697.94
  5. Step 5: Solve for x
    x = 37,733,697.94/8,724.48
  6. Step 6: Final answer
    x = 4,325.04

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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.