Home / 7,730.36-11,590.12-3,972.92

Finding the Fourth Proportional to 7,730.36, 11,590.12 and 3,972.92

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Solution

The fourth proportional to 7,730.36, 11,590.12 and 3,972.92 is: 5,956.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,730.36 : 11,590.12 = 3,972.92 : x
  2. Step 2: Convert to fraction form
    7,730.36/11,590.12 = 3,972.92/x
  3. Step 3: Cross multiply
    7,730.36x = 11,590.12 × 3,972.92
  4. Step 4: Simplify right side
    7,730.36x = 46,046,619.55
  5. Step 5: Solve for x
    x = 46,046,619.55/7,730.36
  6. Step 6: Final answer
    x = 5,956.59

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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.