Home / 5,475.43-8,207.27-2,840.30

Finding the Fourth Proportional to 5,475.43, 8,207.27 and 2,840.30

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Solution

The fourth proportional to 5,475.43, 8,207.27 and 2,840.30 is: 4,257.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,475.43 : 8,207.27 = 2,840.30 : x
  2. Step 2: Convert to fraction form
    5,475.43/8,207.27 = 2,840.30/x
  3. Step 3: Cross multiply
    5,475.43x = 8,207.27 × 2,840.30
  4. Step 4: Simplify right side
    5,475.43x = 23,311,095.17
  5. Step 5: Solve for x
    x = 23,311,095.17/5,475.43
  6. Step 6: Final answer
    x = 4,257.40

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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.