Home / 8,558.12-12,838.60-2,716.13

Finding the Fourth Proportional to 8,558.12, 12,838.60 and 2,716.13

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Solution

The fourth proportional to 8,558.12, 12,838.60 and 2,716.13 is: 4,074.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,558.12 : 12,838.60 = 2,716.13 : x
  2. Step 2: Convert to fraction form
    8,558.12/12,838.60 = 2,716.13/x
  3. Step 3: Cross multiply
    8,558.12x = 12,838.60 × 2,716.13
  4. Step 4: Simplify right side
    8,558.12x = 34,871,342.11
  5. Step 5: Solve for x
    x = 34,871,342.11/8,558.12
  6. Step 6: Final answer
    x = 4,074.65

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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.