Home / 5,653.31-7,805.16-3,637.62

Finding the Fourth Proportional to 5,653.31, 7,805.16 and 3,637.62

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Solution

The fourth proportional to 5,653.31, 7,805.16 and 3,637.62 is: 5,022.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,653.31 : 7,805.16 = 3,637.62 : x
  2. Step 2: Convert to fraction form
    5,653.31/7,805.16 = 3,637.62/x
  3. Step 3: Cross multiply
    5,653.31x = 7,805.16 × 3,637.62
  4. Step 4: Simplify right side
    5,653.31x = 28,392,206.12
  5. Step 5: Solve for x
    x = 28,392,206.12/5,653.31
  6. Step 6: Final answer
    x = 5,022.23

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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.