Home / 8,712.53-13,043.96-5,785.01

Finding the Fourth Proportional to 8,712.53, 13,043.96 and 5,785.01

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Solution

The fourth proportional to 8,712.53, 13,043.96 and 5,785.01 is: 8,661.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,712.53 : 13,043.96 = 5,785.01 : x
  2. Step 2: Convert to fraction form
    8,712.53/13,043.96 = 5,785.01/x
  3. Step 3: Cross multiply
    8,712.53x = 13,043.96 × 5,785.01
  4. Step 4: Simplify right side
    8,712.53x = 75,459,410.11
  5. Step 5: Solve for x
    x = 75,459,410.11/8,712.53
  6. Step 6: Final answer
    x = 8,661.02

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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.