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Finding the Fourth Proportional to 8,745.60, 13,110.02 and 2,899.02

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Solution

The fourth proportional to 8,745.60, 13,110.02 and 2,899.02 is: 4,345.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,745.60 : 13,110.02 = 2,899.02 : x
  2. Step 2: Convert to fraction form
    8,745.60/13,110.02 = 2,899.02/x
  3. Step 3: Cross multiply
    8,745.60x = 13,110.02 × 2,899.02
  4. Step 4: Simplify right side
    8,745.60x = 38,006,210.18
  5. Step 5: Solve for x
    x = 38,006,210.18/8,745.60
  6. Step 6: Final answer
    x = 4,345.75

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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.