Home / 4,740.89-6,542.40-2,645

Finding the Fourth Proportional to 4,740.89, 6,542.40 and 2,645

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Solution

The fourth proportional to 4,740.89, 6,542.40 and 2,645 is: 3,650.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,740.89 : 6,542.40 = 2,645 : x
  2. Step 2: Convert to fraction form
    4,740.89/6,542.40 = 2,645/x
  3. Step 3: Cross multiply
    4,740.89x = 6,542.40 × 2,645
  4. Step 4: Simplify right side
    4,740.89x = 17,304,648
  5. Step 5: Solve for x
    x = 17,304,648/4,740.89
  6. Step 6: Final answer
    x = 3,650.08

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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.