Home / 8,835.80-13,255.32-2,913.03

Finding the Fourth Proportional to 8,835.80, 13,255.32 and 2,913.03

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Solution

The fourth proportional to 8,835.80, 13,255.32 and 2,913.03 is: 4,370.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,835.80 : 13,255.32 = 2,913.03 : x
  2. Step 2: Convert to fraction form
    8,835.80/13,255.32 = 2,913.03/x
  3. Step 3: Cross multiply
    8,835.80x = 13,255.32 × 2,913.03
  4. Step 4: Simplify right side
    8,835.80x = 38,613,144.82
  5. Step 5: Solve for x
    x = 38,613,144.82/8,835.80
  6. Step 6: Final answer
    x = 4,370.08

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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.