Home / 8,968.83-13,451.27-3,420.23

Finding the Fourth Proportional to 8,968.83, 13,451.27 and 3,420.23

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Solution

The fourth proportional to 8,968.83, 13,451.27 and 3,420.23 is: 5,129.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,968.83 : 13,451.27 = 3,420.23 : x
  2. Step 2: Convert to fraction form
    8,968.83/13,451.27 = 3,420.23/x
  3. Step 3: Cross multiply
    8,968.83x = 13,451.27 × 3,420.23
  4. Step 4: Simplify right side
    8,968.83x = 46,006,352.83
  5. Step 5: Solve for x
    x = 46,006,352.83/8,968.83
  6. Step 6: Final answer
    x = 5,129.58

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1.5x scale

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.