Home / 4,774.36-7,154.62-3,390.41

Finding the Fourth Proportional to 4,774.36, 7,154.62 and 3,390.41

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Solution

The fourth proportional to 4,774.36, 7,154.62 and 3,390.41 is: 5,080.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,774.36 : 7,154.62 = 3,390.41 : x
  2. Step 2: Convert to fraction form
    4,774.36/7,154.62 = 3,390.41/x
  3. Step 3: Cross multiply
    4,774.36x = 7,154.62 × 3,390.41
  4. Step 4: Simplify right side
    4,774.36x = 24,257,095.19
  5. Step 5: Solve for x
    x = 24,257,095.19/4,774.36
  6. Step 6: Final answer
    x = 5,080.70

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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.