Home / 8,735.20-12,053.67-5,197.79

Finding the Fourth Proportional to 8,735.20, 12,053.67 and 5,197.79

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Solution

The fourth proportional to 8,735.20, 12,053.67 and 5,197.79 is: 7,172.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,735.20 : 12,053.67 = 5,197.79 : x
  2. Step 2: Convert to fraction form
    8,735.20/12,053.67 = 5,197.79/x
  3. Step 3: Cross multiply
    8,735.20x = 12,053.67 × 5,197.79
  4. Step 4: Simplify right side
    8,735.20x = 62,652,445.39
  5. Step 5: Solve for x
    x = 62,652,445.39/8,735.20
  6. Step 6: Final answer
    x = 7,172.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.