Home / 7,653.77-11,458.35-5,688.12

Finding the Fourth Proportional to 7,653.77, 11,458.35 and 5,688.12

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Solution

The fourth proportional to 7,653.77, 11,458.35 and 5,688.12 is: 8,515.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,653.77 : 11,458.35 = 5,688.12 : x
  2. Step 2: Convert to fraction form
    7,653.77/11,458.35 = 5,688.12/x
  3. Step 3: Cross multiply
    7,653.77x = 11,458.35 × 5,688.12
  4. Step 4: Simplify right side
    7,653.77x = 65,176,469.80
  5. Step 5: Solve for x
    x = 65,176,469.80/7,653.77
  6. Step 6: Final answer
    x = 8,515.61

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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.