Home / 8,759.32-13,130.59-2,911.82

Finding the Fourth Proportional to 8,759.32, 13,130.59 and 2,911.82

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Solution

The fourth proportional to 8,759.32, 13,130.59 and 2,911.82 is: 4,364.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,759.32 : 13,130.59 = 2,911.82 : x
  2. Step 2: Convert to fraction form
    8,759.32/13,130.59 = 2,911.82/x
  3. Step 3: Cross multiply
    8,759.32x = 13,130.59 × 2,911.82
  4. Step 4: Simplify right side
    8,759.32x = 38,233,914.57
  5. Step 5: Solve for x
    x = 38,233,914.57/8,759.32
  6. Step 6: Final answer
    x = 4,364.94

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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.