Home / 8,942.12-12,339.80-4,962.96

Finding the Fourth Proportional to 8,942.12, 12,339.80 and 4,962.96

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Solution

The fourth proportional to 8,942.12, 12,339.80 and 4,962.96 is: 6,848.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,942.12 : 12,339.80 = 4,962.96 : x
  2. Step 2: Convert to fraction form
    8,942.12/12,339.80 = 4,962.96/x
  3. Step 3: Cross multiply
    8,942.12x = 12,339.80 × 4,962.96
  4. Step 4: Simplify right side
    8,942.12x = 61,241,933.81
  5. Step 5: Solve for x
    x = 61,241,933.81/8,942.12
  6. Step 6: Final answer
    x = 6,848.70

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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.