Home / 4,913.02-6,780.27-2,817.82

Finding the Fourth Proportional to 4,913.02, 6,780.27 and 2,817.82

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Solution

The fourth proportional to 4,913.02, 6,780.27 and 2,817.82 is: 3,888.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,913.02 : 6,780.27 = 2,817.82 : x
  2. Step 2: Convert to fraction form
    4,913.02/6,780.27 = 2,817.82/x
  3. Step 3: Cross multiply
    4,913.02x = 6,780.27 × 2,817.82
  4. Step 4: Simplify right side
    4,913.02x = 19,105,580.41
  5. Step 5: Solve for x
    x = 19,105,580.41/4,913.02
  6. Step 6: Final answer
    x = 3,888.77

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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.