Home / 8,702.64-13,055.99-2,859.03

Finding the Fourth Proportional to 8,702.64, 13,055.99 and 2,859.03

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Solution

The fourth proportional to 8,702.64, 13,055.99 and 2,859.03 is: 4,289.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,702.64 : 13,055.99 = 2,859.03 : x
  2. Step 2: Convert to fraction form
    8,702.64/13,055.99 = 2,859.03/x
  3. Step 3: Cross multiply
    8,702.64x = 13,055.99 × 2,859.03
  4. Step 4: Simplify right side
    8,702.64x = 37,327,452.79
  5. Step 5: Solve for x
    x = 37,327,452.79/8,702.64
  6. Step 6: Final answer
    x = 4,289.21

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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.