Home / 4,315.78-6,472.50-1,393.48

Finding the Fourth Proportional to 4,315.78, 6,472.50 and 1,393.48

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Solution

The fourth proportional to 4,315.78, 6,472.50 and 1,393.48 is: 2,089.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,315.78 : 6,472.50 = 1,393.48 : x
  2. Step 2: Convert to fraction form
    4,315.78/6,472.50 = 1,393.48/x
  3. Step 3: Cross multiply
    4,315.78x = 6,472.50 × 1,393.48
  4. Step 4: Simplify right side
    4,315.78x = 9,019,299.30
  5. Step 5: Solve for x
    x = 9,019,299.30/4,315.78
  6. Step 6: Final answer
    x = 2,089.84

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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.