Home / 7,962.05-10,987.85-4,425.49

Finding the Fourth Proportional to 7,962.05, 10,987.85 and 4,425.49

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Solution

The fourth proportional to 7,962.05, 10,987.85 and 4,425.49 is: 6,107.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,962.05 : 10,987.85 = 4,425.49 : x
  2. Step 2: Convert to fraction form
    7,962.05/10,987.85 = 4,425.49/x
  3. Step 3: Cross multiply
    7,962.05x = 10,987.85 × 4,425.49
  4. Step 4: Simplify right side
    7,962.05x = 48,626,583.29
  5. Step 5: Solve for x
    x = 48,626,583.29/7,962.05
  6. Step 6: Final answer
    x = 6,107.30

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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.