Home / 5,653.38-7,801.75-3,135.59

Finding the Fourth Proportional to 5,653.38, 7,801.75 and 3,135.59

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Solution

The fourth proportional to 5,653.38, 7,801.75 and 3,135.59 is: 4,327.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,653.38 : 7,801.75 = 3,135.59 : x
  2. Step 2: Convert to fraction form
    5,653.38/7,801.75 = 3,135.59/x
  3. Step 3: Cross multiply
    5,653.38x = 7,801.75 × 3,135.59
  4. Step 4: Simplify right side
    5,653.38x = 24,463,089.28
  5. Step 5: Solve for x
    x = 24,463,089.28/5,653.38
  6. Step 6: Final answer
    x = 4,327.16

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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.