Home / 5,366.42-7,405.78-3,008.50

Finding the Fourth Proportional to 5,366.42, 7,405.78 and 3,008.50

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Solution

The fourth proportional to 5,366.42, 7,405.78 and 3,008.50 is: 4,151.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,366.42 : 7,405.78 = 3,008.50 : x
  2. Step 2: Convert to fraction form
    5,366.42/7,405.78 = 3,008.50/x
  3. Step 3: Cross multiply
    5,366.42x = 7,405.78 × 3,008.50
  4. Step 4: Simplify right side
    5,366.42x = 22,280,289.13
  5. Step 5: Solve for x
    x = 22,280,289.13/5,366.42
  6. Step 6: Final answer
    x = 4,151.80

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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.