Home / 7,188.09-10,779.48-2,506.92

Finding the Fourth Proportional to 7,188.09, 10,779.48 and 2,506.92

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Solution

The fourth proportional to 7,188.09, 10,779.48 and 2,506.92 is: 3,759.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,188.09 : 10,779.48 = 2,506.92 : x
  2. Step 2: Convert to fraction form
    7,188.09/10,779.48 = 2,506.92/x
  3. Step 3: Cross multiply
    7,188.09x = 10,779.48 × 2,506.92
  4. Step 4: Simplify right side
    7,188.09x = 27,023,294.00
  5. Step 5: Solve for x
    x = 27,023,294.00/7,188.09
  6. Step 6: Final answer
    x = 3,759.45

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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.