Home / 8,904-13,322.88-5,601.72

Finding the Fourth Proportional to 8,904, 13,322.88 and 5,601.72

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Solution

The fourth proportional to 8,904, 13,322.88 and 5,601.72 is: 8,381.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,904 : 13,322.88 = 5,601.72 : x
  2. Step 2: Convert to fraction form
    8,904/13,322.88 = 5,601.72/x
  3. Step 3: Cross multiply
    8,904x = 13,322.88 × 5,601.72
  4. Step 4: Simplify right side
    8,904x = 74,631,043.35
  5. Step 5: Solve for x
    x = 74,631,043.35/8,904
  6. Step 6: Final answer
    x = 8,381.74

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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.