Home / 7,822.93-10,792.64-4,990.41

Finding the Fourth Proportional to 7,822.93, 10,792.64 and 4,990.41

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Solution

The fourth proportional to 7,822.93, 10,792.64 and 4,990.41 is: 6,884.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,822.93 : 10,792.64 = 4,990.41 : x
  2. Step 2: Convert to fraction form
    7,822.93/10,792.64 = 4,990.41/x
  3. Step 3: Cross multiply
    7,822.93x = 10,792.64 × 4,990.41
  4. Step 4: Simplify right side
    7,822.93x = 53,859,711.06
  5. Step 5: Solve for x
    x = 53,859,711.06/7,822.93
  6. Step 6: Final answer
    x = 6,884.85

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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.