Home / 5,519.92-8,248.34-4,196.40

Finding the Fourth Proportional to 5,519.92, 8,248.34 and 4,196.40

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Solution

The fourth proportional to 5,519.92, 8,248.34 and 4,196.40 is: 6,270.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.92 : 8,248.34 = 4,196.40 : x
  2. Step 2: Convert to fraction form
    5,519.92/8,248.34 = 4,196.40/x
  3. Step 3: Cross multiply
    5,519.92x = 8,248.34 × 4,196.40
  4. Step 4: Simplify right side
    5,519.92x = 34,613,333.98
  5. Step 5: Solve for x
    x = 34,613,333.98/5,519.92
  6. Step 6: Final answer
    x = 6,270.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.