Home / 7,708.32-11,562.50-1,864.92

Finding the Fourth Proportional to 7,708.32, 11,562.50 and 1,864.92

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Solution

The fourth proportional to 7,708.32, 11,562.50 and 1,864.92 is: 2,797.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,708.32 : 11,562.50 = 1,864.92 : x
  2. Step 2: Convert to fraction form
    7,708.32/11,562.50 = 1,864.92/x
  3. Step 3: Cross multiply
    7,708.32x = 11,562.50 × 1,864.92
  4. Step 4: Simplify right side
    7,708.32x = 21,563,137.50
  5. Step 5: Solve for x
    x = 21,563,137.50/7,708.32
  6. Step 6: Final answer
    x = 2,797.38

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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.