Home / 3,927.60-5,845.64-3,915.45

Finding the Fourth Proportional to 3,927.60, 5,845.64 and 3,915.45

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Solution

The fourth proportional to 3,927.60, 5,845.64 and 3,915.45 is: 5,827.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,927.60 : 5,845.64 = 3,915.45 : x
  2. Step 2: Convert to fraction form
    3,927.60/5,845.64 = 3,915.45/x
  3. Step 3: Cross multiply
    3,927.60x = 5,845.64 × 3,915.45
  4. Step 4: Simplify right side
    3,927.60x = 22,888,291.56
  5. Step 5: Solve for x
    x = 22,888,291.56/3,927.60
  6. Step 6: Final answer
    x = 5,827.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.