Home / 7,699.18-11,547.69-2,768.08

Finding the Fourth Proportional to 7,699.18, 11,547.69 and 2,768.08

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Solution

The fourth proportional to 7,699.18, 11,547.69 and 2,768.08 is: 4,151.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,699.18 : 11,547.69 = 2,768.08 : x
  2. Step 2: Convert to fraction form
    7,699.18/11,547.69 = 2,768.08/x
  3. Step 3: Cross multiply
    7,699.18x = 11,547.69 × 2,768.08
  4. Step 4: Simplify right side
    7,699.18x = 31,964,929.74
  5. Step 5: Solve for x
    x = 31,964,929.74/7,699.18
  6. Step 6: Final answer
    x = 4,151.73

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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.