Home / 8,539.49-12,813.20-3,610.28

Finding the Fourth Proportional to 8,539.49, 12,813.20 and 3,610.28

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Solution

The fourth proportional to 8,539.49, 12,813.20 and 3,610.28 is: 5,417.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,539.49 : 12,813.20 = 3,610.28 : x
  2. Step 2: Convert to fraction form
    8,539.49/12,813.20 = 3,610.28/x
  3. Step 3: Cross multiply
    8,539.49x = 12,813.20 × 3,610.28
  4. Step 4: Simplify right side
    8,539.49x = 46,259,239.70
  5. Step 5: Solve for x
    x = 46,259,239.70/8,539.49
  6. Step 6: Final answer
    x = 5,417.10

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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.