Home / 5,357.40-8,022.12-4,311.69

Finding the Fourth Proportional to 5,357.40, 8,022.12 and 4,311.69

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Solution

The fourth proportional to 5,357.40, 8,022.12 and 4,311.69 is: 6,456.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,357.40 : 8,022.12 = 4,311.69 : x
  2. Step 2: Convert to fraction form
    5,357.40/8,022.12 = 4,311.69/x
  3. Step 3: Cross multiply
    5,357.40x = 8,022.12 × 4,311.69
  4. Step 4: Simplify right side
    5,357.40x = 34,588,894.58
  5. Step 5: Solve for x
    x = 34,588,894.58/5,357.40
  6. Step 6: Final answer
    x = 6,456.28

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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.