Home / 4,779.45-7,170.54-1,492.59

Finding the Fourth Proportional to 4,779.45, 7,170.54 and 1,492.59

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Solution

The fourth proportional to 4,779.45, 7,170.54 and 1,492.59 is: 2,239.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.45 : 7,170.54 = 1,492.59 : x
  2. Step 2: Convert to fraction form
    4,779.45/7,170.54 = 1,492.59/x
  3. Step 3: Cross multiply
    4,779.45x = 7,170.54 × 1,492.59
  4. Step 4: Simplify right side
    4,779.45x = 10,702,676.30
  5. Step 5: Solve for x
    x = 10,702,676.30/4,779.45
  6. Step 6: Final answer
    x = 2,239.31

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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.