Home / 7,816.71-10,788.96-4,830.75

Finding the Fourth Proportional to 7,816.71, 10,788.96 and 4,830.75

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Solution

The fourth proportional to 7,816.71, 10,788.96 and 4,830.75 is: 6,667.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816.71 : 10,788.96 = 4,830.75 : x
  2. Step 2: Convert to fraction form
    7,816.71/10,788.96 = 4,830.75/x
  3. Step 3: Cross multiply
    7,816.71x = 10,788.96 × 4,830.75
  4. Step 4: Simplify right side
    7,816.71x = 52,118,786.64
  5. Step 5: Solve for x
    x = 52,118,786.64/7,816.71
  6. Step 6: Final answer
    x = 6,667.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.