Home / 5,392.17-8,089.60-4,285.76

Finding the Fourth Proportional to 5,392.17, 8,089.60 and 4,285.76

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Solution

The fourth proportional to 5,392.17, 8,089.60 and 4,285.76 is: 6,429.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,392.17 : 8,089.60 = 4,285.76 : x
  2. Step 2: Convert to fraction form
    5,392.17/8,089.60 = 4,285.76/x
  3. Step 3: Cross multiply
    5,392.17x = 8,089.60 × 4,285.76
  4. Step 4: Simplify right side
    5,392.17x = 34,670,104.32
  5. Step 5: Solve for x
    x = 34,670,104.32/5,392.17
  6. Step 6: Final answer
    x = 6,429.71

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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.