Home / 7,965.62-10,992.53-4,428.83

Finding the Fourth Proportional to 7,965.62, 10,992.53 and 4,428.83

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Solution

The fourth proportional to 7,965.62, 10,992.53 and 4,428.83 is: 6,111.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,965.62 : 10,992.53 = 4,428.83 : x
  2. Step 2: Convert to fraction form
    7,965.62/10,992.53 = 4,428.83/x
  3. Step 3: Cross multiply
    7,965.62x = 10,992.53 × 4,428.83
  4. Step 4: Simplify right side
    7,965.62x = 48,684,085.19
  5. Step 5: Solve for x
    x = 48,684,085.19/7,965.62
  6. Step 6: Final answer
    x = 6,111.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.