Home / 4,915.10-6,781.97-2,925.33

Finding the Fourth Proportional to 4,915.10, 6,781.97 and 2,925.33

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Solution

The fourth proportional to 4,915.10, 6,781.97 and 2,925.33 is: 4,036.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.10 : 6,781.97 = 2,925.33 : x
  2. Step 2: Convert to fraction form
    4,915.10/6,781.97 = 2,925.33/x
  3. Step 3: Cross multiply
    4,915.10x = 6,781.97 × 2,925.33
  4. Step 4: Simplify right side
    4,915.10x = 19,839,485.67
  5. Step 5: Solve for x
    x = 19,839,485.67/4,915.10
  6. Step 6: Final answer
    x = 4,036.44

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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.