Home / 6,103.79-9,156-1,721.58

Finding the Fourth Proportional to 6,103.79, 9,156 and 1,721.58

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Solution

The fourth proportional to 6,103.79, 9,156 and 1,721.58 is: 2,582.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,103.79 : 9,156 = 1,721.58 : x
  2. Step 2: Convert to fraction form
    6,103.79/9,156 = 1,721.58/x
  3. Step 3: Cross multiply
    6,103.79x = 9,156 × 1,721.58
  4. Step 4: Simplify right side
    6,103.79x = 15,762,786.48
  5. Step 5: Solve for x
    x = 15,762,786.48/6,103.79
  6. Step 6: Final answer
    x = 2,582.46

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1.5x scale

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.