Home / 4,779.70-7,169.58-1,492.52

Finding the Fourth Proportional to 4,779.70, 7,169.58 and 1,492.52

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Solution

The fourth proportional to 4,779.70, 7,169.58 and 1,492.52 is: 2,238.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.70 : 7,169.58 = 1,492.52 : x
  2. Step 2: Convert to fraction form
    4,779.70/7,169.58 = 1,492.52/x
  3. Step 3: Cross multiply
    4,779.70x = 7,169.58 × 1,492.52
  4. Step 4: Simplify right side
    4,779.70x = 10,700,726.98
  5. Step 5: Solve for x
    x = 10,700,726.98/4,779.70
  6. Step 6: Final answer
    x = 2,238.79

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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.