Home / 9,779.51-14,669.25-3,934.75

Finding the Fourth Proportional to 9,779.51, 14,669.25 and 3,934.75

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Solution

The fourth proportional to 9,779.51, 14,669.25 and 3,934.75 is: 5,902.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,779.51 : 14,669.25 = 3,934.75 : x
  2. Step 2: Convert to fraction form
    9,779.51/14,669.25 = 3,934.75/x
  3. Step 3: Cross multiply
    9,779.51x = 14,669.25 × 3,934.75
  4. Step 4: Simplify right side
    9,779.51x = 57,719,831.44
  5. Step 5: Solve for x
    x = 57,719,831.44/9,779.51
  6. Step 6: Final answer
    x = 5,902.12

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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.