Home / 7,740.07-11,602.96-2,808.52

Finding the Fourth Proportional to 7,740.07, 11,602.96 and 2,808.52

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Solution

The fourth proportional to 7,740.07, 11,602.96 and 2,808.52 is: 4,210.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,740.07 : 11,602.96 = 2,808.52 : x
  2. Step 2: Convert to fraction form
    7,740.07/11,602.96 = 2,808.52/x
  3. Step 3: Cross multiply
    7,740.07x = 11,602.96 × 2,808.52
  4. Step 4: Simplify right side
    7,740.07x = 32,587,145.22
  5. Step 5: Solve for x
    x = 32,587,145.22/7,740.07
  6. Step 6: Final answer
    x = 4,210.19

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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.