Home / 8,916.64-13,376.52-3,986.24

Finding the Fourth Proportional to 8,916.64, 13,376.52 and 3,986.24

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Solution

The fourth proportional to 8,916.64, 13,376.52 and 3,986.24 is: 5,980.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,916.64 : 13,376.52 = 3,986.24 : x
  2. Step 2: Convert to fraction form
    8,916.64/13,376.52 = 3,986.24/x
  3. Step 3: Cross multiply
    8,916.64x = 13,376.52 × 3,986.24
  4. Step 4: Simplify right side
    8,916.64x = 53,322,019.08
  5. Step 5: Solve for x
    x = 53,322,019.08/8,916.64
  6. Step 6: Final answer
    x = 5,980.06

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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.