Home / 4,779.36-7,170.06-1,659.47

Finding the Fourth Proportional to 4,779.36, 7,170.06 and 1,659.47

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Solution

The fourth proportional to 4,779.36, 7,170.06 and 1,659.47 is: 2,489.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,779.36 : 7,170.06 = 1,659.47 : x
  2. Step 2: Convert to fraction form
    4,779.36/7,170.06 = 1,659.47/x
  3. Step 3: Cross multiply
    4,779.36x = 7,170.06 × 1,659.47
  4. Step 4: Simplify right side
    4,779.36x = 11,898,463.62
  5. Step 5: Solve for x
    x = 11,898,463.62/4,779.36
  6. Step 6: Final answer
    x = 2,489.55

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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.