Home / 4,915.70-7,373.55-1,217.93

Finding the Fourth Proportional to 4,915.70, 7,373.55 and 1,217.93

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Solution

The fourth proportional to 4,915.70, 7,373.55 and 1,217.93 is: 1,826.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,915.70 : 7,373.55 = 1,217.93 : x
  2. Step 2: Convert to fraction form
    4,915.70/7,373.55 = 1,217.93/x
  3. Step 3: Cross multiply
    4,915.70x = 7,373.55 × 1,217.93
  4. Step 4: Simplify right side
    4,915.70x = 8,980,467.75
  5. Step 5: Solve for x
    x = 8,980,467.75/4,915.70
  6. Step 6: Final answer
    x = 1,826.90

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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.