Home / 4,915.05-7,373.60-2,719.17

Finding the Fourth Proportional to 4,915.05, 7,373.60 and 2,719.17

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Solution

The fourth proportional to 4,915.05, 7,373.60 and 2,719.17 is: 4,079.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.05 : 7,373.60 = 2,719.17 : x
  2. Step 2: Convert to fraction form
    4,915.05/7,373.60 = 2,719.17/x
  3. Step 3: Cross multiply
    4,915.05x = 7,373.60 × 2,719.17
  4. Step 4: Simplify right side
    4,915.05x = 20,050,071.91
  5. Step 5: Solve for x
    x = 20,050,071.91/4,915.05
  6. Step 6: Final answer
    x = 4,079.32

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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.