Home / 5,688.11-8,528.12-2,175.15

Finding the Fourth Proportional to 5,688.11, 8,528.12 and 2,175.15

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Solution

The fourth proportional to 5,688.11, 8,528.12 and 2,175.15 is: 3,261.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,688.11 : 8,528.12 = 2,175.15 : x
  2. Step 2: Convert to fraction form
    5,688.11/8,528.12 = 2,175.15/x
  3. Step 3: Cross multiply
    5,688.11x = 8,528.12 × 2,175.15
  4. Step 4: Simplify right side
    5,688.11x = 18,549,940.22
  5. Step 5: Solve for x
    x = 18,549,940.22/5,688.11
  6. Step 6: Final answer
    x = 3,261.18

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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.