Home / 4,774.32-7,158.78-1,486.44

Finding the Fourth Proportional to 4,774.32, 7,158.78 and 1,486.44

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Solution

The fourth proportional to 4,774.32, 7,158.78 and 1,486.44 is: 2,228.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,774.32 : 7,158.78 = 1,486.44 : x
  2. Step 2: Convert to fraction form
    4,774.32/7,158.78 = 1,486.44/x
  3. Step 3: Cross multiply
    4,774.32x = 7,158.78 × 1,486.44
  4. Step 4: Simplify right side
    4,774.32x = 10,641,096.94
  5. Step 5: Solve for x
    x = 10,641,096.94/4,774.32
  6. Step 6: Final answer
    x = 2,228.82

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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.