Home / 8,345.60-12,513.80-5,716.12

Finding the Fourth Proportional to 8,345.60, 12,513.80 and 5,716.12

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Solution

The fourth proportional to 8,345.60, 12,513.80 and 5,716.12 is: 8,571.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,345.60 : 12,513.80 = 5,716.12 : x
  2. Step 2: Convert to fraction form
    8,345.60/12,513.80 = 5,716.12/x
  3. Step 3: Cross multiply
    8,345.60x = 12,513.80 × 5,716.12
  4. Step 4: Simplify right side
    8,345.60x = 71,530,382.46
  5. Step 5: Solve for x
    x = 71,530,382.46/8,345.60
  6. Step 6: Final answer
    x = 8,571.03

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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.