Home / 6,645.84-10,018.22-5,728.92

Finding the Fourth Proportional to 6,645.84, 10,018.22 and 5,728.92

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Solution

The fourth proportional to 6,645.84, 10,018.22 and 5,728.92 is: 8,636.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,645.84 : 10,018.22 = 5,728.92 : x
  2. Step 2: Convert to fraction form
    6,645.84/10,018.22 = 5,728.92/x
  3. Step 3: Cross multiply
    6,645.84x = 10,018.22 × 5,728.92
  4. Step 4: Simplify right side
    6,645.84x = 57,393,580.92
  5. Step 5: Solve for x
    x = 57,393,580.92/6,645.84
  6. Step 6: Final answer
    x = 8,636.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.