Home / 7,922.43-10,929.75-4,563.45

Finding the Fourth Proportional to 7,922.43, 10,929.75 and 4,563.45

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Solution

The fourth proportional to 7,922.43, 10,929.75 and 4,563.45 is: 6,295.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,922.43 : 10,929.75 = 4,563.45 : x
  2. Step 2: Convert to fraction form
    7,922.43/10,929.75 = 4,563.45/x
  3. Step 3: Cross multiply
    7,922.43x = 10,929.75 × 4,563.45
  4. Step 4: Simplify right side
    7,922.43x = 49,877,328.90
  5. Step 5: Solve for x
    x = 49,877,328.90/7,922.43
  6. Step 6: Final answer
    x = 6,295.71

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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.