Home / 7,690.15-11,536.18-3,009.55

Finding the Fourth Proportional to 7,690.15, 11,536.18 and 3,009.55

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Solution

The fourth proportional to 7,690.15, 11,536.18 and 3,009.55 is: 4,514.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,690.15 : 11,536.18 = 3,009.55 : x
  2. Step 2: Convert to fraction form
    7,690.15/11,536.18 = 3,009.55/x
  3. Step 3: Cross multiply
    7,690.15x = 11,536.18 × 3,009.55
  4. Step 4: Simplify right side
    7,690.15x = 34,718,730.58
  5. Step 5: Solve for x
    x = 34,718,730.58/7,690.15
  6. Step 6: Final answer
    x = 4,514.70

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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.