Home / 4,957.84-6,838.25-3,187.76

Finding the Fourth Proportional to 4,957.84, 6,838.25 and 3,187.76

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Solution

The fourth proportional to 4,957.84, 6,838.25 and 3,187.76 is: 4,396.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,957.84 : 6,838.25 = 3,187.76 : x
  2. Step 2: Convert to fraction form
    4,957.84/6,838.25 = 3,187.76/x
  3. Step 3: Cross multiply
    4,957.84x = 6,838.25 × 3,187.76
  4. Step 4: Simplify right side
    4,957.84x = 21,798,649.69
  5. Step 5: Solve for x
    x = 21,798,649.69/4,957.84
  6. Step 6: Final answer
    x = 4,396.81

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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.