Home / 7,137.48-9,848.87-4,153.85

Finding the Fourth Proportional to 7,137.48, 9,848.87 and 4,153.85

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Solution

The fourth proportional to 7,137.48, 9,848.87 and 4,153.85 is: 5,731.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137.48 : 9,848.87 = 4,153.85 : x
  2. Step 2: Convert to fraction form
    7,137.48/9,848.87 = 4,153.85/x
  3. Step 3: Cross multiply
    7,137.48x = 9,848.87 × 4,153.85
  4. Step 4: Simplify right side
    7,137.48x = 40,910,711.15
  5. Step 5: Solve for x
    x = 40,910,711.15/7,137.48
  6. Step 6: Final answer
    x = 5,731.81

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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.