Home / 5,631.33-7,774.20-3,507.51

Finding the Fourth Proportional to 5,631.33, 7,774.20 and 3,507.51

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Solution

The fourth proportional to 5,631.33, 7,774.20 and 3,507.51 is: 4,842.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.33 : 7,774.20 = 3,507.51 : x
  2. Step 2: Convert to fraction form
    5,631.33/7,774.20 = 3,507.51/x
  3. Step 3: Cross multiply
    5,631.33x = 7,774.20 × 3,507.51
  4. Step 4: Simplify right side
    5,631.33x = 27,268,084.24
  5. Step 5: Solve for x
    x = 27,268,084.24/5,631.33
  6. Step 6: Final answer
    x = 4,842.21

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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.