Home / 4,258.01-6,381.60-1,915.51

Finding the Fourth Proportional to 4,258.01, 6,381.60 and 1,915.51

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Solution

The fourth proportional to 4,258.01, 6,381.60 and 1,915.51 is: 2,870.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,258.01 : 6,381.60 = 1,915.51 : x
  2. Step 2: Convert to fraction form
    4,258.01/6,381.60 = 1,915.51/x
  3. Step 3: Cross multiply
    4,258.01x = 6,381.60 × 1,915.51
  4. Step 4: Simplify right side
    4,258.01x = 12,224,018.62
  5. Step 5: Solve for x
    x = 12,224,018.62/4,258.01
  6. Step 6: Final answer
    x = 2,870.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.