Home / 8,787.04-13,175.76-3,588.64

Finding the Fourth Proportional to 8,787.04, 13,175.76 and 3,588.64

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Solution

The fourth proportional to 8,787.04, 13,175.76 and 3,588.64 is: 5,381.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,787.04 : 13,175.76 = 3,588.64 : x
  2. Step 2: Convert to fraction form
    8,787.04/13,175.76 = 3,588.64/x
  3. Step 3: Cross multiply
    8,787.04x = 13,175.76 × 3,588.64
  4. Step 4: Simplify right side
    8,787.04x = 47,283,059.37
  5. Step 5: Solve for x
    x = 47,283,059.37/8,787.04
  6. Step 6: Final answer
    x = 5,381.00

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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.