Home / 7,679.12-10,582.44-5,467.28

Finding the Fourth Proportional to 7,679.12, 10,582.44 and 5,467.28

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Solution

The fourth proportional to 7,679.12, 10,582.44 and 5,467.28 is: 7,534.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,679.12 : 10,582.44 = 5,467.28 : x
  2. Step 2: Convert to fraction form
    7,679.12/10,582.44 = 5,467.28/x
  3. Step 3: Cross multiply
    7,679.12x = 10,582.44 × 5,467.28
  4. Step 4: Simplify right side
    7,679.12x = 57,857,162.56
  5. Step 5: Solve for x
    x = 57,857,162.56/7,679.12
  6. Step 6: Final answer
    x = 7,534.35

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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.