Home / 7,962.16-10,987.92-4,425.28

Finding the Fourth Proportional to 7,962.16, 10,987.92 and 4,425.28

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Solution

The fourth proportional to 7,962.16, 10,987.92 and 4,425.28 is: 6,106.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,962.16 : 10,987.92 = 4,425.28 : x
  2. Step 2: Convert to fraction form
    7,962.16/10,987.92 = 4,425.28/x
  3. Step 3: Cross multiply
    7,962.16x = 10,987.92 × 4,425.28
  4. Step 4: Simplify right side
    7,962.16x = 48,624,622.62
  5. Step 5: Solve for x
    x = 48,624,622.62/7,962.16
  6. Step 6: Final answer
    x = 6,106.96

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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.