Home / 7,929.12-10,943.73-4,571.82

Finding the Fourth Proportional to 7,929.12, 10,943.73 and 4,571.82

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Solution

The fourth proportional to 7,929.12, 10,943.73 and 4,571.82 is: 6,310.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.12 : 10,943.73 = 4,571.82 : x
  2. Step 2: Convert to fraction form
    7,929.12/10,943.73 = 4,571.82/x
  3. Step 3: Cross multiply
    7,929.12x = 10,943.73 × 4,571.82
  4. Step 4: Simplify right side
    7,929.12x = 50,032,763.69
  5. Step 5: Solve for x
    x = 50,032,763.69/7,929.12
  6. Step 6: Final answer
    x = 6,310.00

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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.