Home / 5,725.44-8,586.54-2,215.20

Finding the Fourth Proportional to 5,725.44, 8,586.54 and 2,215.20

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Solution

The fourth proportional to 5,725.44, 8,586.54 and 2,215.20 is: 3,322.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,725.44 : 8,586.54 = 2,215.20 : x
  2. Step 2: Convert to fraction form
    5,725.44/8,586.54 = 2,215.20/x
  3. Step 3: Cross multiply
    5,725.44x = 8,586.54 × 2,215.20
  4. Step 4: Simplify right side
    5,725.44x = 19,020,903.41
  5. Step 5: Solve for x
    x = 19,020,903.41/5,725.44
  6. Step 6: Final answer
    x = 3,322.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.