Home / 4,754.40-6,554.16-3,179.76

Finding the Fourth Proportional to 4,754.40, 6,554.16 and 3,179.76

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Solution

The fourth proportional to 4,754.40, 6,554.16 and 3,179.76 is: 4,383.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,754.40 : 6,554.16 = 3,179.76 : x
  2. Step 2: Convert to fraction form
    4,754.40/6,554.16 = 3,179.76/x
  3. Step 3: Cross multiply
    4,754.40x = 6,554.16 × 3,179.76
  4. Step 4: Simplify right side
    4,754.40x = 20,840,655.80
  5. Step 5: Solve for x
    x = 20,840,655.80/4,754.40
  6. Step 6: Final answer
    x = 4,383.45

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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.