Home / 5,486.28-7,564.46-3,809.12

Finding the Fourth Proportional to 5,486.28, 7,564.46 and 3,809.12

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Solution

The fourth proportional to 5,486.28, 7,564.46 and 3,809.12 is: 5,252.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,486.28 : 7,564.46 = 3,809.12 : x
  2. Step 2: Convert to fraction form
    5,486.28/7,564.46 = 3,809.12/x
  3. Step 3: Cross multiply
    5,486.28x = 7,564.46 × 3,809.12
  4. Step 4: Simplify right side
    5,486.28x = 28,813,935.88
  5. Step 5: Solve for x
    x = 28,813,935.88/5,486.28
  6. Step 6: Final answer
    x = 5,252.00

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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.