Home / 5,154.99-7,731.33-1,457.56

Finding the Fourth Proportional to 5,154.99, 7,731.33 and 1,457.56

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Solution

The fourth proportional to 5,154.99, 7,731.33 and 1,457.56 is: 2,186.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.99 : 7,731.33 = 1,457.56 : x
  2. Step 2: Convert to fraction form
    5,154.99/7,731.33 = 1,457.56/x
  3. Step 3: Cross multiply
    5,154.99x = 7,731.33 × 1,457.56
  4. Step 4: Simplify right side
    5,154.99x = 11,268,877.35
  5. Step 5: Solve for x
    x = 11,268,877.35/5,154.99
  6. Step 6: Final answer
    x = 2,186.01

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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.