Home / 5,478.15-8,217.67-2,358.24

Finding the Fourth Proportional to 5,478.15, 8,217.67 and 2,358.24

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Solution

The fourth proportional to 5,478.15, 8,217.67 and 2,358.24 is: 3,537.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,478.15 : 8,217.67 = 2,358.24 : x
  2. Step 2: Convert to fraction form
    5,478.15/8,217.67 = 2,358.24/x
  3. Step 3: Cross multiply
    5,478.15x = 8,217.67 × 2,358.24
  4. Step 4: Simplify right side
    5,478.15x = 19,379,238.10
  5. Step 5: Solve for x
    x = 19,379,238.10/5,478.15
  6. Step 6: Final answer
    x = 3,537.55

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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.