Home / 7,688.12-11,536.56-3,008.51

Finding the Fourth Proportional to 7,688.12, 11,536.56 and 3,008.51

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Solution

The fourth proportional to 7,688.12, 11,536.56 and 3,008.51 is: 4,514.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,688.12 : 11,536.56 = 3,008.51 : x
  2. Step 2: Convert to fraction form
    7,688.12/11,536.56 = 3,008.51/x
  3. Step 3: Cross multiply
    7,688.12x = 11,536.56 × 3,008.51
  4. Step 4: Simplify right side
    7,688.12x = 34,707,798.44
  5. Step 5: Solve for x
    x = 34,707,798.44/7,688.12
  6. Step 6: Final answer
    x = 4,514.47

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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.