Home / 4,913.70-7,370.55-1,215.93

Finding the Fourth Proportional to 4,913.70, 7,370.55 and 1,215.93

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Solution

The fourth proportional to 4,913.70, 7,370.55 and 1,215.93 is: 1,823.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,913.70 : 7,370.55 = 1,215.93 : x
  2. Step 2: Convert to fraction form
    4,913.70/7,370.55 = 1,215.93/x
  3. Step 3: Cross multiply
    4,913.70x = 7,370.55 × 1,215.93
  4. Step 4: Simplify right side
    4,913.70x = 8,962,072.86
  5. Step 5: Solve for x
    x = 8,962,072.86/4,913.70
  6. Step 6: Final answer
    x = 1,823.90

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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.