Home / 4,779.26-7,168.35-1,658.72

Finding the Fourth Proportional to 4,779.26, 7,168.35 and 1,658.72

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Solution

The fourth proportional to 4,779.26, 7,168.35 and 1,658.72 is: 2,487.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.26 : 7,168.35 = 1,658.72 : x
  2. Step 2: Convert to fraction form
    4,779.26/7,168.35 = 1,658.72/x
  3. Step 3: Cross multiply
    4,779.26x = 7,168.35 × 1,658.72
  4. Step 4: Simplify right side
    4,779.26x = 11,890,285.51
  5. Step 5: Solve for x
    x = 11,890,285.51/4,779.26
  6. Step 6: Final answer
    x = 2,487.89

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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.