Home / 9,779.09-14,664.90-4,231.99

Finding the Fourth Proportional to 9,779.09, 14,664.90 and 4,231.99

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Solution

The fourth proportional to 9,779.09, 14,664.90 and 4,231.99 is: 6,346.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,779.09 : 14,664.90 = 4,231.99 : x
  2. Step 2: Convert to fraction form
    9,779.09/14,664.90 = 4,231.99/x
  3. Step 3: Cross multiply
    9,779.09x = 14,664.90 × 4,231.99
  4. Step 4: Simplify right side
    9,779.09x = 62,061,636.83
  5. Step 5: Solve for x
    x = 62,061,636.83/9,779.09
  6. Step 6: Final answer
    x = 6,346.36

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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.