Home / 7,816.10-10,786.38-4,412.84

Finding the Fourth Proportional to 7,816.10, 10,786.38 and 4,412.84

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Solution

The fourth proportional to 7,816.10, 10,786.38 and 4,412.84 is: 6,089.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,816.10 : 10,786.38 = 4,412.84 : x
  2. Step 2: Convert to fraction form
    7,816.10/10,786.38 = 4,412.84/x
  3. Step 3: Cross multiply
    7,816.10x = 10,786.38 × 4,412.84
  4. Step 4: Simplify right side
    7,816.10x = 47,598,569.12
  5. Step 5: Solve for x
    x = 47,598,569.12/7,816.10
  6. Step 6: Final answer
    x = 6,089.81

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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.