Home / 8,939.88-12,338.50-4,962.27

Finding the Fourth Proportional to 8,939.88, 12,338.50 and 4,962.27

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Solution

The fourth proportional to 8,939.88, 12,338.50 and 4,962.27 is: 6,848.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,939.88 : 12,338.50 = 4,962.27 : x
  2. Step 2: Convert to fraction form
    8,939.88/12,338.50 = 4,962.27/x
  3. Step 3: Cross multiply
    8,939.88x = 12,338.50 × 4,962.27
  4. Step 4: Simplify right side
    8,939.88x = 61,226,968.40
  5. Step 5: Solve for x
    x = 61,226,968.40/8,939.88
  6. Step 6: Final answer
    x = 6,848.75

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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.