Home / 8,568.90-12,847.80-3,637.20

Finding the Fourth Proportional to 8,568.90, 12,847.80 and 3,637.20

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Solution

The fourth proportional to 8,568.90, 12,847.80 and 3,637.20 is: 5,453.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,568.90 : 12,847.80 = 3,637.20 : x
  2. Step 2: Convert to fraction form
    8,568.90/12,847.80 = 3,637.20/x
  3. Step 3: Cross multiply
    8,568.90x = 12,847.80 × 3,637.20
  4. Step 4: Simplify right side
    8,568.90x = 46,730,018.16
  5. Step 5: Solve for x
    x = 46,730,018.16/8,568.90
  6. Step 6: Final answer
    x = 5,453.44

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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.