Home / 7,525.04-11,286.66-1,978.81

Finding the Fourth Proportional to 7,525.04, 11,286.66 and 1,978.81

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Solution

The fourth proportional to 7,525.04, 11,286.66 and 1,978.81 is: 2,967.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,525.04 : 11,286.66 = 1,978.81 : x
  2. Step 2: Convert to fraction form
    7,525.04/11,286.66 = 1,978.81/x
  3. Step 3: Cross multiply
    7,525.04x = 11,286.66 × 1,978.81
  4. Step 4: Simplify right side
    7,525.04x = 22,334,176.07
  5. Step 5: Solve for x
    x = 22,334,176.07/7,525.04
  6. Step 6: Final answer
    x = 2,967.98

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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.