Home / 7,962.20-11,921.40-4,058.84

Finding the Fourth Proportional to 7,962.20, 11,921.40 and 4,058.84

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Solution

The fourth proportional to 7,962.20, 11,921.40 and 4,058.84 is: 6,077.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,962.20 : 11,921.40 = 4,058.84 : x
  2. Step 2: Convert to fraction form
    7,962.20/11,921.40 = 4,058.84/x
  3. Step 3: Cross multiply
    7,962.20x = 11,921.40 × 4,058.84
  4. Step 4: Simplify right side
    7,962.20x = 48,387,055.18
  5. Step 5: Solve for x
    x = 48,387,055.18/7,962.20
  6. Step 6: Final answer
    x = 6,077.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.