Home / 4,915.69-6,781.73-3,237.98

Finding the Fourth Proportional to 4,915.69, 6,781.73 and 3,237.98

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Solution

The fourth proportional to 4,915.69, 6,781.73 and 3,237.98 is: 4,467.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.69 : 6,781.73 = 3,237.98 : x
  2. Step 2: Convert to fraction form
    4,915.69/6,781.73 = 3,237.98/x
  3. Step 3: Cross multiply
    4,915.69x = 6,781.73 × 3,237.98
  4. Step 4: Simplify right side
    4,915.69x = 21,959,056.01
  5. Step 5: Solve for x
    x = 21,959,056.01/4,915.69
  6. Step 6: Final answer
    x = 4,467.14

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1.5x scale

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.