Home / 7,156.21-10,726.99-2,998.63

Finding the Fourth Proportional to 7,156.21, 10,726.99 and 2,998.63

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Solution

The fourth proportional to 7,156.21, 10,726.99 and 2,998.63 is: 4,494.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,156.21 : 10,726.99 = 2,998.63 : x
  2. Step 2: Convert to fraction form
    7,156.21/10,726.99 = 2,998.63/x
  3. Step 3: Cross multiply
    7,156.21x = 10,726.99 × 2,998.63
  4. Step 4: Simplify right side
    7,156.21x = 32,166,274.02
  5. Step 5: Solve for x
    x = 32,166,274.02/7,156.21
  6. Step 6: Final answer
    x = 4,494.88

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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.