Home / 5,216.34-7,828.90-4,887.94

Finding the Fourth Proportional to 5,216.34, 7,828.90 and 4,887.94

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Solution

The fourth proportional to 5,216.34, 7,828.90 and 4,887.94 is: 7,336.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,216.34 : 7,828.90 = 4,887.94 : x
  2. Step 2: Convert to fraction form
    5,216.34/7,828.90 = 4,887.94/x
  3. Step 3: Cross multiply
    5,216.34x = 7,828.90 × 4,887.94
  4. Step 4: Simplify right side
    5,216.34x = 38,267,193.47
  5. Step 5: Solve for x
    x = 38,267,193.47/5,216.34
  6. Step 6: Final answer
    x = 7,336.02

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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.