Home / 5,712.12-8,568.18-2,012.40

Finding the Fourth Proportional to 5,712.12, 8,568.18 and 2,012.40

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Solution

The fourth proportional to 5,712.12, 8,568.18 and 2,012.40 is: 3,018.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.12 : 8,568.18 = 2,012.40 : x
  2. Step 2: Convert to fraction form
    5,712.12/8,568.18 = 2,012.40/x
  3. Step 3: Cross multiply
    5,712.12x = 8,568.18 × 2,012.40
  4. Step 4: Simplify right side
    5,712.12x = 17,242,605.43
  5. Step 5: Solve for x
    x = 17,242,605.43/5,712.12
  6. Step 6: Final answer
    x = 3,018.60

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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.