Home / 7,713.05-11,569.61-2,779.22

Finding the Fourth Proportional to 7,713.05, 11,569.61 and 2,779.22

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Solution

The fourth proportional to 7,713.05, 11,569.61 and 2,779.22 is: 4,168.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,713.05 : 11,569.61 = 2,779.22 : x
  2. Step 2: Convert to fraction form
    7,713.05/11,569.61 = 2,779.22/x
  3. Step 3: Cross multiply
    7,713.05x = 11,569.61 × 2,779.22
  4. Step 4: Simplify right side
    7,713.05x = 32,154,440.60
  5. Step 5: Solve for x
    x = 32,154,440.60/7,713.05
  6. Step 6: Final answer
    x = 4,168.84

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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.