Home / 5,724.09-8,586.44-1,828.20

Finding the Fourth Proportional to 5,724.09, 8,586.44 and 1,828.20

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Solution

The fourth proportional to 5,724.09, 8,586.44 and 1,828.20 is: 2,742.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,724.09 : 8,586.44 = 1,828.20 : x
  2. Step 2: Convert to fraction form
    5,724.09/8,586.44 = 1,828.20/x
  3. Step 3: Cross multiply
    5,724.09x = 8,586.44 × 1,828.20
  4. Step 4: Simplify right side
    5,724.09x = 15,697,729.61
  5. Step 5: Solve for x
    x = 15,697,729.61/5,724.09
  6. Step 6: Final answer
    x = 2,742.40

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Double scale
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Similar ratio
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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.