Home / 4,839.90-7,259.70-1,377.15

Finding the Fourth Proportional to 4,839.90, 7,259.70 and 1,377.15

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Solution

The fourth proportional to 4,839.90, 7,259.70 and 1,377.15 is: 2,065.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,839.90 : 7,259.70 = 1,377.15 : x
  2. Step 2: Convert to fraction form
    4,839.90/7,259.70 = 1,377.15/x
  3. Step 3: Cross multiply
    4,839.90x = 7,259.70 × 1,377.15
  4. Step 4: Simplify right side
    4,839.90x = 9,997,710.76
  5. Step 5: Solve for x
    x = 9,997,710.76/4,839.90
  6. Step 6: Final answer
    x = 2,065.68

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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.