Home / 7,420.24-11,119.96-4,924.36

Finding the Fourth Proportional to 7,420.24, 11,119.96 and 4,924.36

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Solution

The fourth proportional to 7,420.24, 11,119.96 and 4,924.36 is: 7,379.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,420.24 : 11,119.96 = 4,924.36 : x
  2. Step 2: Convert to fraction form
    7,420.24/11,119.96 = 4,924.36/x
  3. Step 3: Cross multiply
    7,420.24x = 11,119.96 × 4,924.36
  4. Step 4: Simplify right side
    7,420.24x = 54,758,686.23
  5. Step 5: Solve for x
    x = 54,758,686.23/7,420.24
  6. Step 6: Final answer
    x = 7,379.64

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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.