Home / 5,272.94-7,921.67-4,989.50

Finding the Fourth Proportional to 5,272.94, 7,921.67 and 4,989.50

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Solution

The fourth proportional to 5,272.94, 7,921.67 and 4,989.50 is: 7,495.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,272.94 : 7,921.67 = 4,989.50 : x
  2. Step 2: Convert to fraction form
    5,272.94/7,921.67 = 4,989.50/x
  3. Step 3: Cross multiply
    5,272.94x = 7,921.67 × 4,989.50
  4. Step 4: Simplify right side
    5,272.94x = 39,525,204.74
  5. Step 5: Solve for x
    x = 39,525,204.74/5,272.94
  6. Step 6: Final answer
    x = 7,495.85

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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.