Home / 5,297.28-7,310.20-2,939.84

Finding the Fourth Proportional to 5,297.28, 7,310.20 and 2,939.84

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Solution

The fourth proportional to 5,297.28, 7,310.20 and 2,939.84 is: 4,056.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,297.28 : 7,310.20 = 2,939.84 : x
  2. Step 2: Convert to fraction form
    5,297.28/7,310.20 = 2,939.84/x
  3. Step 3: Cross multiply
    5,297.28x = 7,310.20 × 2,939.84
  4. Step 4: Simplify right side
    5,297.28x = 21,490,818.37
  5. Step 5: Solve for x
    x = 21,490,818.37/5,297.28
  6. Step 6: Final answer
    x = 4,056.95

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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.