Home / 7,698.13-11,547.74-2,767.79

Finding the Fourth Proportional to 7,698.13, 11,547.74 and 2,767.79

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Solution

The fourth proportional to 7,698.13, 11,547.74 and 2,767.79 is: 4,151.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,698.13 : 11,547.74 = 2,767.79 : x
  2. Step 2: Convert to fraction form
    7,698.13/11,547.74 = 2,767.79/x
  3. Step 3: Cross multiply
    7,698.13x = 11,547.74 × 2,767.79
  4. Step 4: Simplify right side
    7,698.13x = 31,961,719.29
  5. Step 5: Solve for x
    x = 31,961,719.29/7,698.13
  6. Step 6: Final answer
    x = 4,151.88

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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.