Home / 5,154.84-7,732.80-2,557.08

Finding the Fourth Proportional to 5,154.84, 7,732.80 and 2,557.08

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Solution

The fourth proportional to 5,154.84, 7,732.80 and 2,557.08 is: 3,835.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,154.84 : 7,732.80 = 2,557.08 : x
  2. Step 2: Convert to fraction form
    5,154.84/7,732.80 = 2,557.08/x
  3. Step 3: Cross multiply
    5,154.84x = 7,732.80 × 2,557.08
  4. Step 4: Simplify right side
    5,154.84x = 19,773,388.22
  5. Step 5: Solve for x
    x = 19,773,388.22/5,154.84
  6. Step 6: Final answer
    x = 3,835.89

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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.