Home / 4,913.46-7,370.09-1,215.69

Finding the Fourth Proportional to 4,913.46, 7,370.09 and 1,215.69

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Solution

The fourth proportional to 4,913.46, 7,370.09 and 1,215.69 is: 1,823.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,913.46 : 7,370.09 = 1,215.69 : x
  2. Step 2: Convert to fraction form
    4,913.46/7,370.09 = 1,215.69/x
  3. Step 3: Cross multiply
    4,913.46x = 7,370.09 × 1,215.69
  4. Step 4: Simplify right side
    4,913.46x = 8,959,712.42
  5. Step 5: Solve for x
    x = 8,959,712.42/4,913.46
  6. Step 6: Final answer
    x = 1,823.51

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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.