Home / 9,779.28-14,672.97-4,231.59

Finding the Fourth Proportional to 9,779.28, 14,672.97 and 4,231.59

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Solution

The fourth proportional to 9,779.28, 14,672.97 and 4,231.59 is: 6,349.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,779.28 : 14,672.97 = 4,231.59 : x
  2. Step 2: Convert to fraction form
    9,779.28/14,672.97 = 4,231.59/x
  3. Step 3: Cross multiply
    9,779.28x = 14,672.97 × 4,231.59
  4. Step 4: Simplify right side
    9,779.28x = 62,089,993.12
  5. Step 5: Solve for x
    x = 62,089,993.12/9,779.28
  6. Step 6: Final answer
    x = 6,349.14

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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.