Home / 4,876.56-7,315.05-1,915.64

Finding the Fourth Proportional to 4,876.56, 7,315.05 and 1,915.64

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Solution

The fourth proportional to 4,876.56, 7,315.05 and 1,915.64 is: 2,873.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,876.56 : 7,315.05 = 1,915.64 : x
  2. Step 2: Convert to fraction form
    4,876.56/7,315.05 = 1,915.64/x
  3. Step 3: Cross multiply
    4,876.56x = 7,315.05 × 1,915.64
  4. Step 4: Simplify right side
    4,876.56x = 14,013,030.79
  5. Step 5: Solve for x
    x = 14,013,030.79/4,876.56
  6. Step 6: Final answer
    x = 2,873.55

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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.