Home / 7,824.22-10,800.90-4,995.31

Finding the Fourth Proportional to 7,824.22, 10,800.90 and 4,995.31

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Solution

The fourth proportional to 7,824.22, 10,800.90 and 4,995.31 is: 6,895.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,824.22 : 10,800.90 = 4,995.31 : x
  2. Step 2: Convert to fraction form
    7,824.22/10,800.90 = 4,995.31/x
  3. Step 3: Cross multiply
    7,824.22x = 10,800.90 × 4,995.31
  4. Step 4: Simplify right side
    7,824.22x = 53,953,843.78
  5. Step 5: Solve for x
    x = 53,953,843.78/7,824.22
  6. Step 6: Final answer
    x = 6,895.75

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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.