Home / 6,441.97-8,907.81-5,113.36

Finding the Fourth Proportional to 6,441.97, 8,907.81 and 5,113.36

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Solution

The fourth proportional to 6,441.97, 8,907.81 and 5,113.36 is: 7,070.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,441.97 : 8,907.81 = 5,113.36 : x
  2. Step 2: Convert to fraction form
    6,441.97/8,907.81 = 5,113.36/x
  3. Step 3: Cross multiply
    6,441.97x = 8,907.81 × 5,113.36
  4. Step 4: Simplify right side
    6,441.97x = 45,548,863.16
  5. Step 5: Solve for x
    x = 45,548,863.16/6,441.97
  6. Step 6: Final answer
    x = 7,070.65

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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.