Home / 4,286.64-5,915.60-2,518.28

Finding the Fourth Proportional to 4,286.64, 5,915.60 and 2,518.28

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Solution

The fourth proportional to 4,286.64, 5,915.60 and 2,518.28 is: 3,475.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.64 : 5,915.60 = 2,518.28 : x
  2. Step 2: Convert to fraction form
    4,286.64/5,915.60 = 2,518.28/x
  3. Step 3: Cross multiply
    4,286.64x = 5,915.60 × 2,518.28
  4. Step 4: Simplify right side
    4,286.64x = 14,897,137.17
  5. Step 5: Solve for x
    x = 14,897,137.17/4,286.64
  6. Step 6: Final answer
    x = 3,475.25

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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.