Home / 7,219.15-9,962.35-4,234.41

Finding the Fourth Proportional to 7,219.15, 9,962.35 and 4,234.41

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Solution

The fourth proportional to 7,219.15, 9,962.35 and 4,234.41 is: 5,843.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,219.15 : 9,962.35 = 4,234.41 : x
  2. Step 2: Convert to fraction form
    7,219.15/9,962.35 = 4,234.41/x
  3. Step 3: Cross multiply
    7,219.15x = 9,962.35 × 4,234.41
  4. Step 4: Simplify right side
    7,219.15x = 42,184,663.88
  5. Step 5: Solve for x
    x = 42,184,663.88/7,219.15
  6. Step 6: Final answer
    x = 5,843.44

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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.