Home / 8,006.42-11,045.68-5,349.62

Finding the Fourth Proportional to 8,006.42, 11,045.68 and 5,349.62

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Solution

The fourth proportional to 8,006.42, 11,045.68 and 5,349.62 is: 7,380.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,006.42 : 11,045.68 = 5,349.62 : x
  2. Step 2: Convert to fraction form
    8,006.42/11,045.68 = 5,349.62/x
  3. Step 3: Cross multiply
    8,006.42x = 11,045.68 × 5,349.62
  4. Step 4: Simplify right side
    8,006.42x = 59,090,122.04
  5. Step 5: Solve for x
    x = 59,090,122.04/8,006.42
  6. Step 6: Final answer
    x = 7,380.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.