Home / 7,966.90-10,995.60-4,431.16

Finding the Fourth Proportional to 7,966.90, 10,995.60 and 4,431.16

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Solution

The fourth proportional to 7,966.90, 10,995.60 and 4,431.16 is: 6,115.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,966.90 : 10,995.60 = 4,431.16 : x
  2. Step 2: Convert to fraction form
    7,966.90/10,995.60 = 4,431.16/x
  3. Step 3: Cross multiply
    7,966.90x = 10,995.60 × 4,431.16
  4. Step 4: Simplify right side
    7,966.90x = 48,723,262.90
  5. Step 5: Solve for x
    x = 48,723,262.90/7,966.90
  6. Step 6: Final answer
    x = 6,115.71

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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.