Home / 7,779.51-11,669.13-2,585.25

Finding the Fourth Proportional to 7,779.51, 11,669.13 and 2,585.25

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Solution

The fourth proportional to 7,779.51, 11,669.13 and 2,585.25 is: 3,877.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,779.51 : 11,669.13 = 2,585.25 : x
  2. Step 2: Convert to fraction form
    7,779.51/11,669.13 = 2,585.25/x
  3. Step 3: Cross multiply
    7,779.51x = 11,669.13 × 2,585.25
  4. Step 4: Simplify right side
    7,779.51x = 30,167,618.33
  5. Step 5: Solve for x
    x = 30,167,618.33/7,779.51
  6. Step 6: Final answer
    x = 3,877.83

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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.