Home / 5,419.47-8,128.26-1,524.18

Finding the Fourth Proportional to 5,419.47, 8,128.26 and 1,524.18

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Solution

The fourth proportional to 5,419.47, 8,128.26 and 1,524.18 is: 2,286.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.47 : 8,128.26 = 1,524.18 : x
  2. Step 2: Convert to fraction form
    5,419.47/8,128.26 = 1,524.18/x
  3. Step 3: Cross multiply
    5,419.47x = 8,128.26 × 1,524.18
  4. Step 4: Simplify right side
    5,419.47x = 12,388,931.33
  5. Step 5: Solve for x
    x = 12,388,931.33/5,419.47
  6. Step 6: Final answer
    x = 2,286.00

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Double scale
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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.