Home / 6,607.32-9,117.90-3,954.21

Finding the Fourth Proportional to 6,607.32, 9,117.90 and 3,954.21

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Solution

The fourth proportional to 6,607.32, 9,117.90 and 3,954.21 is: 5,456.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,607.32 : 9,117.90 = 3,954.21 : x
  2. Step 2: Convert to fraction form
    6,607.32/9,117.90 = 3,954.21/x
  3. Step 3: Cross multiply
    6,607.32x = 9,117.90 × 3,954.21
  4. Step 4: Simplify right side
    6,607.32x = 36,054,091.36
  5. Step 5: Solve for x
    x = 36,054,091.36/6,607.32
  6. Step 6: Final answer
    x = 5,456.69

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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.