Home / 7,929.87-10,941.75-5,133.75

Finding the Fourth Proportional to 7,929.87, 10,941.75 and 5,133.75

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Solution

The fourth proportional to 7,929.87, 10,941.75 and 5,133.75 is: 7,083.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.87 : 10,941.75 = 5,133.75 : x
  2. Step 2: Convert to fraction form
    7,929.87/10,941.75 = 5,133.75/x
  3. Step 3: Cross multiply
    7,929.87x = 10,941.75 × 5,133.75
  4. Step 4: Simplify right side
    7,929.87x = 56,172,209.06
  5. Step 5: Solve for x
    x = 56,172,209.06/7,929.87
  6. Step 6: Final answer
    x = 7,083.62

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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.