Home / 5,653.44-7,801.92-3,415.68

Finding the Fourth Proportional to 5,653.44, 7,801.92 and 3,415.68

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Solution

The fourth proportional to 5,653.44, 7,801.92 and 3,415.68 is: 4,713.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,653.44 : 7,801.92 = 3,415.68 : x
  2. Step 2: Convert to fraction form
    5,653.44/7,801.92 = 3,415.68/x
  3. Step 3: Cross multiply
    5,653.44x = 7,801.92 × 3,415.68
  4. Step 4: Simplify right side
    5,653.44x = 26,648,862.11
  5. Step 5: Solve for x
    x = 26,648,862.11/5,653.44
  6. Step 6: Final answer
    x = 4,713.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.