Home / 5,432.58-8,143.32-2,141.14

Finding the Fourth Proportional to 5,432.58, 8,143.32 and 2,141.14

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Solution

The fourth proportional to 5,432.58, 8,143.32 and 2,141.14 is: 3,209.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,432.58 : 8,143.32 = 2,141.14 : x
  2. Step 2: Convert to fraction form
    5,432.58/8,143.32 = 2,141.14/x
  3. Step 3: Cross multiply
    5,432.58x = 8,143.32 × 2,141.14
  4. Step 4: Simplify right side
    5,432.58x = 17,435,988.18
  5. Step 5: Solve for x
    x = 17,435,988.18/5,432.58
  6. Step 6: Final answer
    x = 3,209.52

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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.