Home / 4,979.21-6,871.18-2,710.49

Finding the Fourth Proportional to 4,979.21, 6,871.18 and 2,710.49

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Solution

The fourth proportional to 4,979.21, 6,871.18 and 2,710.49 is: 3,740.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,979.21 : 6,871.18 = 2,710.49 : x
  2. Step 2: Convert to fraction form
    4,979.21/6,871.18 = 2,710.49/x
  3. Step 3: Cross multiply
    4,979.21x = 6,871.18 × 2,710.49
  4. Step 4: Simplify right side
    4,979.21x = 18,624,264.68
  5. Step 5: Solve for x
    x = 18,624,264.68/4,979.21
  6. Step 6: Final answer
    x = 3,740.41

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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.